Home / 25,600.06-38,400-11,565.01

Finding the Fourth Proportional to 25,600.06, 38,400 and 11,565.01

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Solution

The fourth proportional to 25,600.06, 38,400 and 11,565.01 is: 17,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.06 : 38,400 = 11,565.01 : x
  2. Step 2: Convert to fraction form
    25,600.06/38,400 = 11,565.01/x
  3. Step 3: Cross multiply
    25,600.06x = 38,400 × 11,565.01
  4. Step 4: Simplify right side
    25,600.06x = 444,096,384
  5. Step 5: Solve for x
    x = 444,096,384/25,600.06
  6. Step 6: Final answer
    x = 17,347.47

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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.