Home / 25,851.87-38,788.84-12,534.71

Finding the Fourth Proportional to 25,851.87, 38,788.84 and 12,534.71

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Solution

The fourth proportional to 25,851.87, 38,788.84 and 12,534.71 is: 18,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.87 : 38,788.84 = 12,534.71 : x
  2. Step 2: Convert to fraction form
    25,851.87/38,788.84 = 12,534.71/x
  3. Step 3: Cross multiply
    25,851.87x = 38,788.84 × 12,534.71
  4. Step 4: Simplify right side
    25,851.87x = 486,206,666.69
  5. Step 5: Solve for x
    x = 486,206,666.69/25,851.87
  6. Step 6: Final answer
    x = 18,807.41

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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.