Home / 15,836.40-23,812.20-15,490.80

Finding the Fourth Proportional to 15,836.40, 23,812.20 and 15,490.80

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Solution

The fourth proportional to 15,836.40, 23,812.20 and 15,490.80 is: 23,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,836.40 : 23,812.20 = 15,490.80 : x
  2. Step 2: Convert to fraction form
    15,836.40/23,812.20 = 15,490.80/x
  3. Step 3: Cross multiply
    15,836.40x = 23,812.20 × 15,490.80
  4. Step 4: Simplify right side
    15,836.40x = 368,870,027.76
  5. Step 5: Solve for x
    x = 368,870,027.76/15,836.40
  6. Step 6: Final answer
    x = 23,292.54

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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.