Home / 28,237.02-42,354.81-7,460.70

Finding the Fourth Proportional to 28,237.02, 42,354.81 and 7,460.70

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Solution

The fourth proportional to 28,237.02, 42,354.81 and 7,460.70 is: 11,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.02 : 42,354.81 = 7,460.70 : x
  2. Step 2: Convert to fraction form
    28,237.02/42,354.81 = 7,460.70/x
  3. Step 3: Cross multiply
    28,237.02x = 42,354.81 × 7,460.70
  4. Step 4: Simplify right side
    28,237.02x = 315,996,530.97
  5. Step 5: Solve for x
    x = 315,996,530.97/28,237.02
  6. Step 6: Final answer
    x = 11,190.86

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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.