Home / 25,346.78-38,026.37-17,864.93

Finding the Fourth Proportional to 25,346.78, 38,026.37 and 17,864.93

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Solution

The fourth proportional to 25,346.78, 38,026.37 and 17,864.93 is: 26,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,346.78 : 38,026.37 = 17,864.93 : x
  2. Step 2: Convert to fraction form
    25,346.78/38,026.37 = 17,864.93/x
  3. Step 3: Cross multiply
    25,346.78x = 38,026.37 × 17,864.93
  4. Step 4: Simplify right side
    25,346.78x = 679,338,438.20
  5. Step 5: Solve for x
    x = 679,338,438.20/25,346.78
  6. Step 6: Final answer
    x = 26,801.76

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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.