Home / 26,159.90-39,234.18-9,520.34

Finding the Fourth Proportional to 26,159.90, 39,234.18 and 9,520.34

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Solution

The fourth proportional to 26,159.90, 39,234.18 and 9,520.34 is: 14,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,159.90 : 39,234.18 = 9,520.34 : x
  2. Step 2: Convert to fraction form
    26,159.90/39,234.18 = 9,520.34/x
  3. Step 3: Cross multiply
    26,159.90x = 39,234.18 × 9,520.34
  4. Step 4: Simplify right side
    26,159.90x = 373,522,733.22
  5. Step 5: Solve for x
    x = 373,522,733.22/26,159.90
  6. Step 6: Final answer
    x = 14,278.45

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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.