Home / 22,836.40-31,476.56-15,280.08

Finding the Fourth Proportional to 22,836.40, 31,476.56 and 15,280.08

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Solution

The fourth proportional to 22,836.40, 31,476.56 and 15,280.08 is: 21,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,836.40 : 31,476.56 = 15,280.08 : x
  2. Step 2: Convert to fraction form
    22,836.40/31,476.56 = 15,280.08/x
  3. Step 3: Cross multiply
    22,836.40x = 31,476.56 × 15,280.08
  4. Step 4: Simplify right side
    22,836.40x = 480,964,354.92
  5. Step 5: Solve for x
    x = 480,964,354.92/22,836.40
  6. Step 6: Final answer
    x = 21,061.30

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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.