Home / 26,013.76-38,985.71-13,507.76

Finding the Fourth Proportional to 26,013.76, 38,985.71 and 13,507.76

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Solution

The fourth proportional to 26,013.76, 38,985.71 and 13,507.76 is: 20,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,013.76 : 38,985.71 = 13,507.76 : x
  2. Step 2: Convert to fraction form
    26,013.76/38,985.71 = 13,507.76/x
  3. Step 3: Cross multiply
    26,013.76x = 38,985.71 × 13,507.76
  4. Step 4: Simplify right side
    26,013.76x = 526,609,644.04
  5. Step 5: Solve for x
    x = 526,609,644.04/26,013.76
  6. Step 6: Final answer
    x = 20,243.51

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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.