Home / 25,421.75-38,167.55-12,950.18

Finding the Fourth Proportional to 25,421.75, 38,167.55 and 12,950.18

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Solution

The fourth proportional to 25,421.75, 38,167.55 and 12,950.18 is: 19,443.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,421.75 : 38,167.55 = 12,950.18 : x
  2. Step 2: Convert to fraction form
    25,421.75/38,167.55 = 12,950.18/x
  3. Step 3: Cross multiply
    25,421.75x = 38,167.55 × 12,950.18
  4. Step 4: Simplify right side
    25,421.75x = 494,276,387.07
  5. Step 5: Solve for x
    x = 494,276,387.07/25,421.75
  6. Step 6: Final answer
    x = 19,443.06

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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.