Home / 40,863.38-61,258.06-28,389.24

Finding the Fourth Proportional to 40,863.38, 61,258.06 and 28,389.24

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Solution

The fourth proportional to 40,863.38, 61,258.06 and 28,389.24 is: 42,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,863.38 : 61,258.06 = 28,389.24 : x
  2. Step 2: Convert to fraction form
    40,863.38/61,258.06 = 28,389.24/x
  3. Step 3: Cross multiply
    40,863.38x = 61,258.06 × 28,389.24
  4. Step 4: Simplify right side
    40,863.38x = 1,739,069,767.27
  5. Step 5: Solve for x
    x = 1,739,069,767.27/40,863.38
  6. Step 6: Final answer
    x = 42,558.15

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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.