Home / 66,385.12-99,575.76-26,932

Finding the Fourth Proportional to 66,385.12, 99,575.76 and 26,932

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Solution

The fourth proportional to 66,385.12, 99,575.76 and 26,932 is: 40,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,385.12 : 99,575.76 = 26,932 : x
  2. Step 2: Convert to fraction form
    66,385.12/99,575.76 = 26,932/x
  3. Step 3: Cross multiply
    66,385.12x = 99,575.76 × 26,932
  4. Step 4: Simplify right side
    66,385.12x = 2,681,774,368.32
  5. Step 5: Solve for x
    x = 2,681,774,368.32/66,385.12
  6. Step 6: Final answer
    x = 40,397.22

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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.