Home / 28,738.64-39,646.76-17,554

Finding the Fourth Proportional to 28,738.64, 39,646.76 and 17,554

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Solution

The fourth proportional to 28,738.64, 39,646.76 and 17,554 is: 24,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738.64 : 39,646.76 = 17,554 : x
  2. Step 2: Convert to fraction form
    28,738.64/39,646.76 = 17,554/x
  3. Step 3: Cross multiply
    28,738.64x = 39,646.76 × 17,554
  4. Step 4: Simplify right side
    28,738.64x = 695,959,225.04
  5. Step 5: Solve for x
    x = 695,959,225.04/28,738.64
  6. Step 6: Final answer
    x = 24,216.85

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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.