Home / 25,604.66-38,383.54-21,681.16

Finding the Fourth Proportional to 25,604.66, 38,383.54 and 21,681.16

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Solution

The fourth proportional to 25,604.66, 38,383.54 and 21,681.16 is: 32,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,604.66 : 38,383.54 = 21,681.16 : x
  2. Step 2: Convert to fraction form
    25,604.66/38,383.54 = 21,681.16/x
  3. Step 3: Cross multiply
    25,604.66x = 38,383.54 × 21,681.16
  4. Step 4: Simplify right side
    25,604.66x = 832,199,672.11
  5. Step 5: Solve for x
    x = 832,199,672.11/25,604.66
  6. Step 6: Final answer
    x = 32,501.88

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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.