Home / 57,625.34-86,448.47-28,043.19

Finding the Fourth Proportional to 57,625.34, 86,448.47 and 28,043.19

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Solution

The fourth proportional to 57,625.34, 86,448.47 and 28,043.19 is: 42,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,625.34 : 86,448.47 = 28,043.19 : x
  2. Step 2: Convert to fraction form
    57,625.34/86,448.47 = 28,043.19/x
  3. Step 3: Cross multiply
    57,625.34x = 86,448.47 × 28,043.19
  4. Step 4: Simplify right side
    57,625.34x = 2,424,290,729.20
  5. Step 5: Solve for x
    x = 2,424,290,729.20/57,625.34
  6. Step 6: Final answer
    x = 42,069.88

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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.