Home / 25,409.36-38,148.94-12,937.76

Finding the Fourth Proportional to 25,409.36, 38,148.94 and 12,937.76

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Solution

The fourth proportional to 25,409.36, 38,148.94 and 12,937.76 is: 19,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.36 : 38,148.94 = 12,937.76 : x
  2. Step 2: Convert to fraction form
    25,409.36/38,148.94 = 12,937.76/x
  3. Step 3: Cross multiply
    25,409.36x = 38,148.94 × 12,937.76
  4. Step 4: Simplify right side
    25,409.36x = 493,561,766.95
  5. Step 5: Solve for x
    x = 493,561,766.95/25,409.36
  6. Step 6: Final answer
    x = 19,424.41

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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.