Home / 25,454.40-38,136.43-10,630.71

Finding the Fourth Proportional to 25,454.40, 38,136.43 and 10,630.71

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Solution

The fourth proportional to 25,454.40, 38,136.43 and 10,630.71 is: 15,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.40 : 38,136.43 = 10,630.71 : x
  2. Step 2: Convert to fraction form
    25,454.40/38,136.43 = 10,630.71/x
  3. Step 3: Cross multiply
    25,454.40x = 38,136.43 × 10,630.71
  4. Step 4: Simplify right side
    25,454.40x = 405,417,327.77
  5. Step 5: Solve for x
    x = 405,417,327.77/25,454.40
  6. Step 6: Final answer
    x = 15,927.20

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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.