Home / 52,760.22-72,809.31-28,889.11

Finding the Fourth Proportional to 52,760.22, 72,809.31 and 28,889.11

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Solution

The fourth proportional to 52,760.22, 72,809.31 and 28,889.11 is: 39,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,760.22 : 72,809.31 = 28,889.11 : x
  2. Step 2: Convert to fraction form
    52,760.22/72,809.31 = 28,889.11/x
  3. Step 3: Cross multiply
    52,760.22x = 72,809.31 × 28,889.11
  4. Step 4: Simplify right side
    52,760.22x = 2,103,396,165.61
  5. Step 5: Solve for x
    x = 2,103,396,165.61/52,760.22
  6. Step 6: Final answer
    x = 39,867.08

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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.