Home / 28,599.13-42,926.64-15,479.56

Finding the Fourth Proportional to 28,599.13, 42,926.64 and 15,479.56

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Solution

The fourth proportional to 28,599.13, 42,926.64 and 15,479.56 is: 23,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.13 : 42,926.64 = 15,479.56 : x
  2. Step 2: Convert to fraction form
    28,599.13/42,926.64 = 15,479.56/x
  3. Step 3: Cross multiply
    28,599.13x = 42,926.64 × 15,479.56
  4. Step 4: Simplify right side
    28,599.13x = 664,485,499.48
  5. Step 5: Solve for x
    x = 664,485,499.48/28,599.13
  6. Step 6: Final answer
    x = 23,234.47

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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.