Home / 28,193.22-42,309-15,055.02

Finding the Fourth Proportional to 28,193.22, 42,309 and 15,055.02

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Solution

The fourth proportional to 28,193.22, 42,309 and 15,055.02 is: 22,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.22 : 42,309 = 15,055.02 : x
  2. Step 2: Convert to fraction form
    28,193.22/42,309 = 15,055.02/x
  3. Step 3: Cross multiply
    28,193.22x = 42,309 × 15,055.02
  4. Step 4: Simplify right side
    28,193.22x = 636,962,841.18
  5. Step 5: Solve for x
    x = 636,962,841.18/28,193.22
  6. Step 6: Final answer
    x = 22,592.77

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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.