Home / 26,209.64-39,307.15-8,680.83

Finding the Fourth Proportional to 26,209.64, 39,307.15 and 8,680.83

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Solution

The fourth proportional to 26,209.64, 39,307.15 and 8,680.83 is: 13,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,209.64 : 39,307.15 = 8,680.83 : x
  2. Step 2: Convert to fraction form
    26,209.64/39,307.15 = 8,680.83/x
  3. Step 3: Cross multiply
    26,209.64x = 39,307.15 × 8,680.83
  4. Step 4: Simplify right side
    26,209.64x = 341,218,686.93
  5. Step 5: Solve for x
    x = 341,218,686.93/26,209.64
  6. Step 6: Final answer
    x = 13,018.82

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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.