Home / 28,574.22-42,859.53-8,851.17

Finding the Fourth Proportional to 28,574.22, 42,859.53 and 8,851.17

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Solution

The fourth proportional to 28,574.22, 42,859.53 and 8,851.17 is: 13,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574.22 : 42,859.53 = 8,851.17 : x
  2. Step 2: Convert to fraction form
    28,574.22/42,859.53 = 8,851.17/x
  3. Step 3: Cross multiply
    28,574.22x = 42,859.53 × 8,851.17
  4. Step 4: Simplify right side
    28,574.22x = 379,356,986.15
  5. Step 5: Solve for x
    x = 379,356,986.15/28,574.22
  6. Step 6: Final answer
    x = 13,276.20

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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.