Home / 40,276.96-60,426.33-28,663.90

Finding the Fourth Proportional to 40,276.96, 60,426.33 and 28,663.90

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Solution

The fourth proportional to 40,276.96, 60,426.33 and 28,663.90 is: 43,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.96 : 60,426.33 = 28,663.90 : x
  2. Step 2: Convert to fraction form
    40,276.96/60,426.33 = 28,663.90/x
  3. Step 3: Cross multiply
    40,276.96x = 60,426.33 × 28,663.90
  4. Step 4: Simplify right side
    40,276.96x = 1,732,054,280.49
  5. Step 5: Solve for x
    x = 1,732,054,280.49/40,276.96
  6. Step 6: Final answer
    x = 43,003.60

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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.