Home / 42,426.28-63,641.04-11,261.80

Finding the Fourth Proportional to 42,426.28, 63,641.04 and 11,261.80

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Solution

The fourth proportional to 42,426.28, 63,641.04 and 11,261.80 is: 16,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,426.28 : 63,641.04 = 11,261.80 : x
  2. Step 2: Convert to fraction form
    42,426.28/63,641.04 = 11,261.80/x
  3. Step 3: Cross multiply
    42,426.28x = 63,641.04 × 11,261.80
  4. Step 4: Simplify right side
    42,426.28x = 716,712,664.27
  5. Step 5: Solve for x
    x = 716,712,664.27/42,426.28
  6. Step 6: Final answer
    x = 16,893.13

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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.