Home / 26,342.12-36,348.54-15,729.50

Finding the Fourth Proportional to 26,342.12, 36,348.54 and 15,729.50

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Solution

The fourth proportional to 26,342.12, 36,348.54 and 15,729.50 is: 21,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342.12 : 36,348.54 = 15,729.50 : x
  2. Step 2: Convert to fraction form
    26,342.12/36,348.54 = 15,729.50/x
  3. Step 3: Cross multiply
    26,342.12x = 36,348.54 × 15,729.50
  4. Step 4: Simplify right side
    26,342.12x = 571,744,359.93
  5. Step 5: Solve for x
    x = 571,744,359.93/26,342.12
  6. Step 6: Final answer
    x = 21,704.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.