Home / 28,597.05-39,462.90-15,850.79

Finding the Fourth Proportional to 28,597.05, 39,462.90 and 15,850.79

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Solution

The fourth proportional to 28,597.05, 39,462.90 and 15,850.79 is: 21,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,597.05 : 39,462.90 = 15,850.79 : x
  2. Step 2: Convert to fraction form
    28,597.05/39,462.90 = 15,850.79/x
  3. Step 3: Cross multiply
    28,597.05x = 39,462.90 × 15,850.79
  4. Step 4: Simplify right side
    28,597.05x = 625,518,031.92
  5. Step 5: Solve for x
    x = 625,518,031.92/28,597.05
  6. Step 6: Final answer
    x = 21,873.52

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Similar ratio
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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.