Home / 42,515.64-63,718-26,498.56

Finding the Fourth Proportional to 42,515.64, 63,718 and 26,498.56

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Solution

The fourth proportional to 42,515.64, 63,718 and 26,498.56 is: 39,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,515.64 : 63,718 = 26,498.56 : x
  2. Step 2: Convert to fraction form
    42,515.64/63,718 = 26,498.56/x
  3. Step 3: Cross multiply
    42,515.64x = 63,718 × 26,498.56
  4. Step 4: Simplify right side
    42,515.64x = 1,688,435,246.08
  5. Step 5: Solve for x
    x = 1,688,435,246.08/42,515.64
  6. Step 6: Final answer
    x = 39,713.27

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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.