Home / 25,492.31-38,246.90-13,643.45

Finding the Fourth Proportional to 25,492.31, 38,246.90 and 13,643.45

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Solution

The fourth proportional to 25,492.31, 38,246.90 and 13,643.45 is: 20,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,492.31 : 38,246.90 = 13,643.45 : x
  2. Step 2: Convert to fraction form
    25,492.31/38,246.90 = 13,643.45/x
  3. Step 3: Cross multiply
    25,492.31x = 38,246.90 × 13,643.45
  4. Step 4: Simplify right side
    25,492.31x = 521,819,520.95
  5. Step 5: Solve for x
    x = 521,819,520.95/25,492.31
  6. Step 6: Final answer
    x = 20,469.68

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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.