Home / 51,862.28-71,569.27-28,892.09

Finding the Fourth Proportional to 51,862.28, 71,569.27 and 28,892.09

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Solution

The fourth proportional to 51,862.28, 71,569.27 and 28,892.09 is: 39,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,862.28 : 71,569.27 = 28,892.09 : x
  2. Step 2: Convert to fraction form
    51,862.28/71,569.27 = 28,892.09/x
  3. Step 3: Cross multiply
    51,862.28x = 71,569.27 × 28,892.09
  4. Step 4: Simplify right side
    51,862.28x = 2,067,786,005.11
  5. Step 5: Solve for x
    x = 2,067,786,005.11/51,862.28
  6. Step 6: Final answer
    x = 39,870.72

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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.