Home / 38,981.09-58,436.80-15,283.12

Finding the Fourth Proportional to 38,981.09, 58,436.80 and 15,283.12

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Solution

The fourth proportional to 38,981.09, 58,436.80 and 15,283.12 is: 22,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.09 : 58,436.80 = 15,283.12 : x
  2. Step 2: Convert to fraction form
    38,981.09/58,436.80 = 15,283.12/x
  3. Step 3: Cross multiply
    38,981.09x = 58,436.80 × 15,283.12
  4. Step 4: Simplify right side
    38,981.09x = 893,096,626.82
  5. Step 5: Solve for x
    x = 893,096,626.82/38,981.09
  6. Step 6: Final answer
    x = 22,911.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.