Home / 26,560.20-39,831.12-11,779.46

Finding the Fourth Proportional to 26,560.20, 39,831.12 and 11,779.46

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Solution

The fourth proportional to 26,560.20, 39,831.12 and 11,779.46 is: 17,665.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,560.20 : 39,831.12 = 11,779.46 : x
  2. Step 2: Convert to fraction form
    26,560.20/39,831.12 = 11,779.46/x
  3. Step 3: Cross multiply
    26,560.20x = 39,831.12 × 11,779.46
  4. Step 4: Simplify right side
    26,560.20x = 469,188,885.64
  5. Step 5: Solve for x
    x = 469,188,885.64/26,560.20
  6. Step 6: Final answer
    x = 17,665.11

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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.