Home / 26,678.34-36,815.99-15,349.95

Finding the Fourth Proportional to 26,678.34, 36,815.99 and 15,349.95

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Solution

The fourth proportional to 26,678.34, 36,815.99 and 15,349.95 is: 21,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.34 : 36,815.99 = 15,349.95 : x
  2. Step 2: Convert to fraction form
    26,678.34/36,815.99 = 15,349.95/x
  3. Step 3: Cross multiply
    26,678.34x = 36,815.99 × 15,349.95
  4. Step 4: Simplify right side
    26,678.34x = 565,123,528.95
  5. Step 5: Solve for x
    x = 565,123,528.95/26,678.34
  6. Step 6: Final answer
    x = 21,182.86

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1.5x scale

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.