Home / 52,757.91-72,806.13-28,886.81

Finding the Fourth Proportional to 52,757.91, 72,806.13 and 28,886.81

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Solution

The fourth proportional to 52,757.91, 72,806.13 and 28,886.81 is: 39,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,757.91 : 72,806.13 = 28,886.81 : x
  2. Step 2: Convert to fraction form
    52,757.91/72,806.13 = 28,886.81/x
  3. Step 3: Cross multiply
    52,757.91x = 72,806.13 × 28,886.81
  4. Step 4: Simplify right side
    52,757.91x = 2,103,136,480.11
  5. Step 5: Solve for x
    x = 2,103,136,480.11/52,757.91
  6. Step 6: Final answer
    x = 39,863.91

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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.