Home / 26,460-36,516.60-15,282

Finding the Fourth Proportional to 26,460, 36,516.60 and 15,282

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Solution

The fourth proportional to 26,460, 36,516.60 and 15,282 is: 21,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,460 : 36,516.60 = 15,282 : x
  2. Step 2: Convert to fraction form
    26,460/36,516.60 = 15,282/x
  3. Step 3: Cross multiply
    26,460x = 36,516.60 × 15,282
  4. Step 4: Simplify right side
    26,460x = 558,046,681.20
  5. Step 5: Solve for x
    x = 558,046,681.20/26,460
  6. Step 6: Final answer
    x = 21,090.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.