Home / 26,678.16-36,818.28-15,498

Finding the Fourth Proportional to 26,678.16, 36,818.28 and 15,498

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Solution

The fourth proportional to 26,678.16, 36,818.28 and 15,498 is: 21,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.16 : 36,818.28 = 15,498 : x
  2. Step 2: Convert to fraction form
    26,678.16/36,818.28 = 15,498/x
  3. Step 3: Cross multiply
    26,678.16x = 36,818.28 × 15,498
  4. Step 4: Simplify right side
    26,678.16x = 570,609,703.44
  5. Step 5: Solve for x
    x = 570,609,703.44/26,678.16
  6. Step 6: Final answer
    x = 21,388.65

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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.