Home / 28,249.80-39,009.51-17,657.52

Finding the Fourth Proportional to 28,249.80, 39,009.51 and 17,657.52

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Solution

The fourth proportional to 28,249.80, 39,009.51 and 17,657.52 is: 24,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.80 : 39,009.51 = 17,657.52 : x
  2. Step 2: Convert to fraction form
    28,249.80/39,009.51 = 17,657.52/x
  3. Step 3: Cross multiply
    28,249.80x = 39,009.51 × 17,657.52
  4. Step 4: Simplify right side
    28,249.80x = 688,811,203.02
  5. Step 5: Solve for x
    x = 688,811,203.02/28,249.80
  6. Step 6: Final answer
    x = 24,382.87

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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.