Home / 28,525.47-39,373.62-18,453.65

Finding the Fourth Proportional to 28,525.47, 39,373.62 and 18,453.65

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Solution

The fourth proportional to 28,525.47, 39,373.62 and 18,453.65 is: 25,471.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.47 : 39,373.62 = 18,453.65 : x
  2. Step 2: Convert to fraction form
    28,525.47/39,373.62 = 18,453.65/x
  3. Step 3: Cross multiply
    28,525.47x = 39,373.62 × 18,453.65
  4. Step 4: Simplify right side
    28,525.47x = 726,587,002.71
  5. Step 5: Solve for x
    x = 726,587,002.71/28,525.47
  6. Step 6: Final answer
    x = 25,471.52

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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.