Home / 25,347.78-38,027.87-17,865.93

Finding the Fourth Proportional to 25,347.78, 38,027.87 and 17,865.93

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Solution

The fourth proportional to 25,347.78, 38,027.87 and 17,865.93 is: 26,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,347.78 : 38,027.87 = 17,865.93 : x
  2. Step 2: Convert to fraction form
    25,347.78/38,027.87 = 17,865.93/x
  3. Step 3: Cross multiply
    25,347.78x = 38,027.87 × 17,865.93
  4. Step 4: Simplify right side
    25,347.78x = 679,403,263.47
  5. Step 5: Solve for x
    x = 679,403,263.47/25,347.78
  6. Step 6: Final answer
    x = 26,803.26

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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.