Home / 26,271.30-39,407.52-13,815.66

Finding the Fourth Proportional to 26,271.30, 39,407.52 and 13,815.66

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Solution

The fourth proportional to 26,271.30, 39,407.52 and 13,815.66 is: 20,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271.30 : 39,407.52 = 13,815.66 : x
  2. Step 2: Convert to fraction form
    26,271.30/39,407.52 = 13,815.66/x
  3. Step 3: Cross multiply
    26,271.30x = 39,407.52 × 13,815.66
  4. Step 4: Simplify right side
    26,271.30x = 544,440,897.76
  5. Step 5: Solve for x
    x = 544,440,897.76/26,271.30
  6. Step 6: Final answer
    x = 20,723.79

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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.