Home / 26,561.60-39,867.00-13,423.19

Finding the Fourth Proportional to 26,561.60, 39,867.00 and 13,423.19

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Solution

The fourth proportional to 26,561.60, 39,867.00 and 13,423.19 is: 20,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,561.60 : 39,867.00 = 13,423.19 : x
  2. Step 2: Convert to fraction form
    26,561.60/39,867.00 = 13,423.19/x
  3. Step 3: Cross multiply
    26,561.60x = 39,867.00 × 13,423.19
  4. Step 4: Simplify right side
    26,561.60x = 535,142,248.61
  5. Step 5: Solve for x
    x = 535,142,248.61/26,561.60
  6. Step 6: Final answer
    x = 20,147.22

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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.