Home / 28,672.08-42,988.49-14,604.89

Finding the Fourth Proportional to 28,672.08, 42,988.49 and 14,604.89

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Solution

The fourth proportional to 28,672.08, 42,988.49 and 14,604.89 is: 21,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672.08 : 42,988.49 = 14,604.89 : x
  2. Step 2: Convert to fraction form
    28,672.08/42,988.49 = 14,604.89/x
  3. Step 3: Cross multiply
    28,672.08x = 42,988.49 × 14,604.89
  4. Step 4: Simplify right side
    28,672.08x = 627,841,879.75
  5. Step 5: Solve for x
    x = 627,841,879.75/28,672.08
  6. Step 6: Final answer
    x = 21,897.33

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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.