Home / 27,618.57-38,114.15-16,447.05

Finding the Fourth Proportional to 27,618.57, 38,114.15 and 16,447.05

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Solution

The fourth proportional to 27,618.57, 38,114.15 and 16,447.05 is: 22,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.57 : 38,114.15 = 16,447.05 : x
  2. Step 2: Convert to fraction form
    27,618.57/38,114.15 = 16,447.05/x
  3. Step 3: Cross multiply
    27,618.57x = 38,114.15 × 16,447.05
  4. Step 4: Simplify right side
    27,618.57x = 626,865,248.52
  5. Step 5: Solve for x
    x = 626,865,248.52/27,618.57
  6. Step 6: Final answer
    x = 22,697.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.