Home / 25,897.08-38,845.56-10,311

Finding the Fourth Proportional to 25,897.08, 38,845.56 and 10,311

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Solution

The fourth proportional to 25,897.08, 38,845.56 and 10,311 is: 15,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,897.08 : 38,845.56 = 10,311 : x
  2. Step 2: Convert to fraction form
    25,897.08/38,845.56 = 10,311/x
  3. Step 3: Cross multiply
    25,897.08x = 38,845.56 × 10,311
  4. Step 4: Simplify right side
    25,897.08x = 400,536,569.16
  5. Step 5: Solve for x
    x = 400,536,569.16/25,897.08
  6. Step 6: Final answer
    x = 15,466.48

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1.5x scale

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.