Home / 29,228.72-40,326.08-17,886.40

Finding the Fourth Proportional to 29,228.72, 40,326.08 and 17,886.40

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Solution

The fourth proportional to 29,228.72, 40,326.08 and 17,886.40 is: 24,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,228.72 : 40,326.08 = 17,886.40 : x
  2. Step 2: Convert to fraction form
    29,228.72/40,326.08 = 17,886.40/x
  3. Step 3: Cross multiply
    29,228.72x = 40,326.08 × 17,886.40
  4. Step 4: Simplify right side
    29,228.72x = 721,288,397.31
  5. Step 5: Solve for x
    x = 721,288,397.31/29,228.72
  6. Step 6: Final answer
    x = 24,677.39

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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.