Home / 28,851.15-43,281.23-9,127.83

Finding the Fourth Proportional to 28,851.15, 43,281.23 and 9,127.83

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Solution

The fourth proportional to 28,851.15, 43,281.23 and 9,127.83 is: 13,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.15 : 43,281.23 = 9,127.83 : x
  2. Step 2: Convert to fraction form
    28,851.15/43,281.23 = 9,127.83/x
  3. Step 3: Cross multiply
    28,851.15x = 43,281.23 × 9,127.83
  4. Step 4: Simplify right side
    28,851.15x = 395,063,663.99
  5. Step 5: Solve for x
    x = 395,063,663.99/28,851.15
  6. Step 6: Final answer
    x = 13,693.17

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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.