Home / 28,569.40-39,445.26-17,818.48

Finding the Fourth Proportional to 28,569.40, 39,445.26 and 17,818.48

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Solution

The fourth proportional to 28,569.40, 39,445.26 and 17,818.48 is: 24,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.40 : 39,445.26 = 17,818.48 : x
  2. Step 2: Convert to fraction form
    28,569.40/39,445.26 = 17,818.48/x
  3. Step 3: Cross multiply
    28,569.40x = 39,445.26 × 17,818.48
  4. Step 4: Simplify right side
    28,569.40x = 702,854,290.09
  5. Step 5: Solve for x
    x = 702,854,290.09/28,569.40
  6. Step 6: Final answer
    x = 24,601.65

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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.