Home / 52,862.24-72,949.28-28,988.71

Finding the Fourth Proportional to 52,862.24, 72,949.28 and 28,988.71

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Solution

The fourth proportional to 52,862.24, 72,949.28 and 28,988.71 is: 40,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,862.24 : 72,949.28 = 28,988.71 : x
  2. Step 2: Convert to fraction form
    52,862.24/72,949.28 = 28,988.71/x
  3. Step 3: Cross multiply
    52,862.24x = 72,949.28 × 28,988.71
  4. Step 4: Simplify right side
    52,862.24x = 2,114,705,195.31
  5. Step 5: Solve for x
    x = 2,114,705,195.31/52,862.24
  6. Step 6: Final answer
    x = 40,004.08

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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.