Home / 19,254.29-28,841.19-15,485.71

Finding the Fourth Proportional to 19,254.29, 28,841.19 and 15,485.71

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Solution

The fourth proportional to 19,254.29, 28,841.19 and 15,485.71 is: 23,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.29 : 28,841.19 = 15,485.71 : x
  2. Step 2: Convert to fraction form
    19,254.29/28,841.19 = 15,485.71/x
  3. Step 3: Cross multiply
    19,254.29x = 28,841.19 × 15,485.71
  4. Step 4: Simplify right side
    19,254.29x = 446,626,160.19
  5. Step 5: Solve for x
    x = 446,626,160.19/19,254.29
  6. Step 6: Final answer
    x = 23,196.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.