Home / 28,932.32-39,944.03-18,878.19

Finding the Fourth Proportional to 28,932.32, 39,944.03 and 18,878.19

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Solution

The fourth proportional to 28,932.32, 39,944.03 and 18,878.19 is: 26,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.32 : 39,944.03 = 18,878.19 : x
  2. Step 2: Convert to fraction form
    28,932.32/39,944.03 = 18,878.19/x
  3. Step 3: Cross multiply
    28,932.32x = 39,944.03 × 18,878.19
  4. Step 4: Simplify right side
    28,932.32x = 754,070,893.31
  5. Step 5: Solve for x
    x = 754,070,893.31/28,932.32
  6. Step 6: Final answer
    x = 26,063.28

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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.