Home / 28,155.68-38,844.96-17,536.52

Finding the Fourth Proportional to 28,155.68, 38,844.96 and 17,536.52

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Solution

The fourth proportional to 28,155.68, 38,844.96 and 17,536.52 is: 24,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,155.68 : 38,844.96 = 17,536.52 : x
  2. Step 2: Convert to fraction form
    28,155.68/38,844.96 = 17,536.52/x
  3. Step 3: Cross multiply
    28,155.68x = 38,844.96 × 17,536.52
  4. Step 4: Simplify right side
    28,155.68x = 681,205,417.94
  5. Step 5: Solve for x
    x = 681,205,417.94/28,155.68
  6. Step 6: Final answer
    x = 24,194.24

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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.