Home / 38,488.04-57,688.28-16,287.56

Finding the Fourth Proportional to 38,488.04, 57,688.28 and 16,287.56

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Solution

The fourth proportional to 38,488.04, 57,688.28 and 16,287.56 is: 24,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,488.04 : 57,688.28 = 16,287.56 : x
  2. Step 2: Convert to fraction form
    38,488.04/57,688.28 = 16,287.56/x
  3. Step 3: Cross multiply
    38,488.04x = 57,688.28 × 16,287.56
  4. Step 4: Simplify right side
    38,488.04x = 939,601,321.80
  5. Step 5: Solve for x
    x = 939,601,321.80/38,488.04
  6. Step 6: Final answer
    x = 24,412.81

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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.