Home / 25,713.40-38,570.10-15,863.80

Finding the Fourth Proportional to 25,713.40, 38,570.10 and 15,863.80

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Solution

The fourth proportional to 25,713.40, 38,570.10 and 15,863.80 is: 23,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,713.40 : 38,570.10 = 15,863.80 : x
  2. Step 2: Convert to fraction form
    25,713.40/38,570.10 = 15,863.80/x
  3. Step 3: Cross multiply
    25,713.40x = 38,570.10 × 15,863.80
  4. Step 4: Simplify right side
    25,713.40x = 611,868,352.38
  5. Step 5: Solve for x
    x = 611,868,352.38/25,713.40
  6. Step 6: Final answer
    x = 23,795.70

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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.