Home / 40,862.28-61,288.83-11,284.32

Finding the Fourth Proportional to 40,862.28, 61,288.83 and 11,284.32

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Solution

The fourth proportional to 40,862.28, 61,288.83 and 11,284.32 is: 16,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,862.28 : 61,288.83 = 11,284.32 : x
  2. Step 2: Convert to fraction form
    40,862.28/61,288.83 = 11,284.32/x
  3. Step 3: Cross multiply
    40,862.28x = 61,288.83 × 11,284.32
  4. Step 4: Simplify right side
    40,862.28x = 691,602,770.15
  5. Step 5: Solve for x
    x = 691,602,770.15/40,862.28
  6. Step 6: Final answer
    x = 16,925.21

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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.