Home / 38,352.81-57,528.76-9,889.61

Finding the Fourth Proportional to 38,352.81, 57,528.76 and 9,889.61

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Solution

The fourth proportional to 38,352.81, 57,528.76 and 9,889.61 is: 14,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,352.81 : 57,528.76 = 9,889.61 : x
  2. Step 2: Convert to fraction form
    38,352.81/57,528.76 = 9,889.61/x
  3. Step 3: Cross multiply
    38,352.81x = 57,528.76 × 9,889.61
  4. Step 4: Simplify right side
    38,352.81x = 568,937,002.14
  5. Step 5: Solve for x
    x = 568,937,002.14/38,352.81
  6. Step 6: Final answer
    x = 14,834.30

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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.