Home / 23,056.76-31,812.68-15,384.94

Finding the Fourth Proportional to 23,056.76, 31,812.68 and 15,384.94

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Solution

The fourth proportional to 23,056.76, 31,812.68 and 15,384.94 is: 21,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,056.76 : 31,812.68 = 15,384.94 : x
  2. Step 2: Convert to fraction form
    23,056.76/31,812.68 = 15,384.94/x
  3. Step 3: Cross multiply
    23,056.76x = 31,812.68 × 15,384.94
  4. Step 4: Simplify right side
    23,056.76x = 489,436,173.04
  5. Step 5: Solve for x
    x = 489,436,173.04/23,056.76
  6. Step 6: Final answer
    x = 21,227.45

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.