Home / 26,631.45-36,747.12-15,145.14

Finding the Fourth Proportional to 26,631.45, 36,747.12 and 15,145.14

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Solution

The fourth proportional to 26,631.45, 36,747.12 and 15,145.14 is: 20,897.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.45 : 36,747.12 = 15,145.14 : x
  2. Step 2: Convert to fraction form
    26,631.45/36,747.12 = 15,145.14/x
  3. Step 3: Cross multiply
    26,631.45x = 36,747.12 × 15,145.14
  4. Step 4: Simplify right side
    26,631.45x = 556,540,386.40
  5. Step 5: Solve for x
    x = 556,540,386.40/26,631.45
  6. Step 6: Final answer
    x = 20,897.86

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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.