Home / 18,887.68-28,275.90-16,552.36

Finding the Fourth Proportional to 18,887.68, 28,275.90 and 16,552.36

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Solution

The fourth proportional to 18,887.68, 28,275.90 and 16,552.36 is: 24,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.68 : 28,275.90 = 16,552.36 : x
  2. Step 2: Convert to fraction form
    18,887.68/28,275.90 = 16,552.36/x
  3. Step 3: Cross multiply
    18,887.68x = 28,275.90 × 16,552.36
  4. Step 4: Simplify right side
    18,887.68x = 468,032,876.12
  5. Step 5: Solve for x
    x = 468,032,876.12/18,887.68
  6. Step 6: Final answer
    x = 24,779.80

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1.5x scale

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.