Home / 36,117.60-54,156-16,862.40

Finding the Fourth Proportional to 36,117.60, 54,156 and 16,862.40

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Solution

The fourth proportional to 36,117.60, 54,156 and 16,862.40 is: 25,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.60 : 54,156 = 16,862.40 : x
  2. Step 2: Convert to fraction form
    36,117.60/54,156 = 16,862.40/x
  3. Step 3: Cross multiply
    36,117.60x = 54,156 × 16,862.40
  4. Step 4: Simplify right side
    36,117.60x = 913,200,134.40
  5. Step 5: Solve for x
    x = 913,200,134.40/36,117.60
  6. Step 6: Final answer
    x = 25,284.08

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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.