Home / 28,302.55-39,045.40-17,673.73

Finding the Fourth Proportional to 28,302.55, 39,045.40 and 17,673.73

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Solution

The fourth proportional to 28,302.55, 39,045.40 and 17,673.73 is: 24,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.55 : 39,045.40 = 17,673.73 : x
  2. Step 2: Convert to fraction form
    28,302.55/39,045.40 = 17,673.73/x
  3. Step 3: Cross multiply
    28,302.55x = 39,045.40 × 17,673.73
  4. Step 4: Simplify right side
    28,302.55x = 690,077,857.34
  5. Step 5: Solve for x
    x = 690,077,857.34/28,302.55
  6. Step 6: Final answer
    x = 24,382.18

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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.