Home / 28,634.28-42,941.13-9,909.24

Finding the Fourth Proportional to 28,634.28, 42,941.13 and 9,909.24

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Solution

The fourth proportional to 28,634.28, 42,941.13 and 9,909.24 is: 14,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.28 : 42,941.13 = 9,909.24 : x
  2. Step 2: Convert to fraction form
    28,634.28/42,941.13 = 9,909.24/x
  3. Step 3: Cross multiply
    28,634.28x = 42,941.13 × 9,909.24
  4. Step 4: Simplify right side
    28,634.28x = 425,513,792.72
  5. Step 5: Solve for x
    x = 425,513,792.72/28,634.28
  6. Step 6: Final answer
    x = 14,860.29

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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.