Home / 28,148.96-42,211.02-14,998.52

Finding the Fourth Proportional to 28,148.96, 42,211.02 and 14,998.52

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Solution

The fourth proportional to 28,148.96, 42,211.02 and 14,998.52 is: 22,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148.96 : 42,211.02 = 14,998.52 : x
  2. Step 2: Convert to fraction form
    28,148.96/42,211.02 = 14,998.52/x
  3. Step 3: Cross multiply
    28,148.96x = 42,211.02 × 14,998.52
  4. Step 4: Simplify right side
    28,148.96x = 633,102,827.69
  5. Step 5: Solve for x
    x = 633,102,827.69/28,148.96
  6. Step 6: Final answer
    x = 22,491.16

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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.