Home / 28,901.90-43,324.05-13,292.30

Finding the Fourth Proportional to 28,901.90, 43,324.05 and 13,292.30

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Solution

The fourth proportional to 28,901.90, 43,324.05 and 13,292.30 is: 19,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.90 : 43,324.05 = 13,292.30 : x
  2. Step 2: Convert to fraction form
    28,901.90/43,324.05 = 13,292.30/x
  3. Step 3: Cross multiply
    28,901.90x = 43,324.05 × 13,292.30
  4. Step 4: Simplify right side
    28,901.90x = 575,876,269.82
  5. Step 5: Solve for x
    x = 575,876,269.82/28,901.90
  6. Step 6: Final answer
    x = 19,925.20

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1.5x scale

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.