Home / 25,850.79-38,752.71-17,956.98

Finding the Fourth Proportional to 25,850.79, 38,752.71 and 17,956.98

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Solution

The fourth proportional to 25,850.79, 38,752.71 and 17,956.98 is: 26,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,850.79 : 38,752.71 = 17,956.98 : x
  2. Step 2: Convert to fraction form
    25,850.79/38,752.71 = 17,956.98/x
  3. Step 3: Cross multiply
    25,850.79x = 38,752.71 × 17,956.98
  4. Step 4: Simplify right side
    25,850.79x = 695,881,638.42
  5. Step 5: Solve for x
    x = 695,881,638.42/25,850.79
  6. Step 6: Final answer
    x = 26,919.16

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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.