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Finding the Fourth Proportional to 34,007.40, 50,986.80 and 15,272.10

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Solution

The fourth proportional to 34,007.40, 50,986.80 and 15,272.10 is: 22,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,007.40 : 50,986.80 = 15,272.10 : x
  2. Step 2: Convert to fraction form
    34,007.40/50,986.80 = 15,272.10/x
  3. Step 3: Cross multiply
    34,007.40x = 50,986.80 × 15,272.10
  4. Step 4: Simplify right side
    34,007.40x = 778,675,508.28
  5. Step 5: Solve for x
    x = 778,675,508.28/34,007.40
  6. Step 6: Final answer
    x = 22,897.24

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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.