Home / 25,521.91-35,211.80-15,446.52

Finding the Fourth Proportional to 25,521.91, 35,211.80 and 15,446.52

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Solution

The fourth proportional to 25,521.91, 35,211.80 and 15,446.52 is: 21,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.91 : 35,211.80 = 15,446.52 : x
  2. Step 2: Convert to fraction form
    25,521.91/35,211.80 = 15,446.52/x
  3. Step 3: Cross multiply
    25,521.91x = 35,211.80 × 15,446.52
  4. Step 4: Simplify right side
    25,521.91x = 543,899,811.55
  5. Step 5: Solve for x
    x = 543,899,811.55/25,521.91
  6. Step 6: Final answer
    x = 21,311.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.