Home / 25,478.47-38,217.69-16,711.34

Finding the Fourth Proportional to 25,478.47, 38,217.69 and 16,711.34

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Solution

The fourth proportional to 25,478.47, 38,217.69 and 16,711.34 is: 25,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.47 : 38,217.69 = 16,711.34 : x
  2. Step 2: Convert to fraction form
    25,478.47/38,217.69 = 16,711.34/x
  3. Step 3: Cross multiply
    25,478.47x = 38,217.69 × 16,711.34
  4. Step 4: Simplify right side
    25,478.47x = 638,668,907.15
  5. Step 5: Solve for x
    x = 638,668,907.15/25,478.47
  6. Step 6: Final answer
    x = 25,067.01

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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.