Home / 26,445.55-39,658.03-13,288.75

Finding the Fourth Proportional to 26,445.55, 39,658.03 and 13,288.75

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Solution

The fourth proportional to 26,445.55, 39,658.03 and 13,288.75 is: 19,927.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,445.55 : 39,658.03 = 13,288.75 : x
  2. Step 2: Convert to fraction form
    26,445.55/39,658.03 = 13,288.75/x
  3. Step 3: Cross multiply
    26,445.55x = 39,658.03 × 13,288.75
  4. Step 4: Simplify right side
    26,445.55x = 527,005,646.16
  5. Step 5: Solve for x
    x = 527,005,646.16/26,445.55
  6. Step 6: Final answer
    x = 19,927.95

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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.