Home / 25,064.10-34,586.91-13,731.57

Finding the Fourth Proportional to 25,064.10, 34,586.91 and 13,731.57

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Solution

The fourth proportional to 25,064.10, 34,586.91 and 13,731.57 is: 18,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,064.10 : 34,586.91 = 13,731.57 : x
  2. Step 2: Convert to fraction form
    25,064.10/34,586.91 = 13,731.57/x
  3. Step 3: Cross multiply
    25,064.10x = 34,586.91 × 13,731.57
  4. Step 4: Simplify right side
    25,064.10x = 474,932,575.75
  5. Step 5: Solve for x
    x = 474,932,575.75/25,064.10
  6. Step 6: Final answer
    x = 18,948.72

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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.