Home / 25,695.44-38,496-21,561.92

Finding the Fourth Proportional to 25,695.44, 38,496 and 21,561.92

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Solution

The fourth proportional to 25,695.44, 38,496 and 21,561.92 is: 32,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.44 : 38,496 = 21,561.92 : x
  2. Step 2: Convert to fraction form
    25,695.44/38,496 = 21,561.92/x
  3. Step 3: Cross multiply
    25,695.44x = 38,496 × 21,561.92
  4. Step 4: Simplify right side
    25,695.44x = 830,047,672.32
  5. Step 5: Solve for x
    x = 830,047,672.32/25,695.44
  6. Step 6: Final answer
    x = 32,303.31

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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.