Home / 28,726.38-39,641.57-17,402.58

Finding the Fourth Proportional to 28,726.38, 39,641.57 and 17,402.58

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Solution

The fourth proportional to 28,726.38, 39,641.57 and 17,402.58 is: 24,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726.38 : 39,641.57 = 17,402.58 : x
  2. Step 2: Convert to fraction form
    28,726.38/39,641.57 = 17,402.58/x
  3. Step 3: Cross multiply
    28,726.38x = 39,641.57 × 17,402.58
  4. Step 4: Simplify right side
    28,726.38x = 689,865,506.24
  5. Step 5: Solve for x
    x = 689,865,506.24/28,726.38
  6. Step 6: Final answer
    x = 24,015.05

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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.