Home / 26,560.77-39,836.55-9,920.95

Finding the Fourth Proportional to 26,560.77, 39,836.55 and 9,920.95

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Solution

The fourth proportional to 26,560.77, 39,836.55 and 9,920.95 is: 14,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,560.77 : 39,836.55 = 9,920.95 : x
  2. Step 2: Convert to fraction form
    26,560.77/39,836.55 = 9,920.95/x
  3. Step 3: Cross multiply
    26,560.77x = 39,836.55 × 9,920.95
  4. Step 4: Simplify right side
    26,560.77x = 395,216,372.61
  5. Step 5: Solve for x
    x = 395,216,372.61/26,560.77
  6. Step 6: Final answer
    x = 14,879.70

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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.