Home / 28,357.62-42,536.56-11,490.95

Finding the Fourth Proportional to 28,357.62, 42,536.56 and 11,490.95

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Solution

The fourth proportional to 28,357.62, 42,536.56 and 11,490.95 is: 17,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.62 : 42,536.56 = 11,490.95 : x
  2. Step 2: Convert to fraction form
    28,357.62/42,536.56 = 11,490.95/x
  3. Step 3: Cross multiply
    28,357.62x = 42,536.56 × 11,490.95
  4. Step 4: Simplify right side
    28,357.62x = 488,785,484.13
  5. Step 5: Solve for x
    x = 488,785,484.13/28,357.62
  6. Step 6: Final answer
    x = 17,236.48

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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.