Home / 17,590.20-26,385.30-16,438.20

Finding the Fourth Proportional to 17,590.20, 26,385.30 and 16,438.20

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Solution

The fourth proportional to 17,590.20, 26,385.30 and 16,438.20 is: 24,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,590.20 : 26,385.30 = 16,438.20 : x
  2. Step 2: Convert to fraction form
    17,590.20/26,385.30 = 16,438.20/x
  3. Step 3: Cross multiply
    17,590.20x = 26,385.30 × 16,438.20
  4. Step 4: Simplify right side
    17,590.20x = 433,726,838.46
  5. Step 5: Solve for x
    x = 433,726,838.46/17,590.20
  6. Step 6: Final answer
    x = 24,657.30

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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.