Home / 38,000.10-57,011.68-26,928.20

Finding the Fourth Proportional to 38,000.10, 57,011.68 and 26,928.20

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Solution

The fourth proportional to 38,000.10, 57,011.68 and 26,928.20 is: 40,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,000.10 : 57,011.68 = 26,928.20 : x
  2. Step 2: Convert to fraction form
    38,000.10/57,011.68 = 26,928.20/x
  3. Step 3: Cross multiply
    38,000.10x = 57,011.68 × 26,928.20
  4. Step 4: Simplify right side
    38,000.10x = 1,535,221,921.38
  5. Step 5: Solve for x
    x = 1,535,221,921.38/38,000.10
  6. Step 6: Final answer
    x = 40,400.47

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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.