Home / 40,265.81-60,398.63-10,280.03

Finding the Fourth Proportional to 40,265.81, 60,398.63 and 10,280.03

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Solution

The fourth proportional to 40,265.81, 60,398.63 and 10,280.03 is: 15,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,265.81 : 60,398.63 = 10,280.03 : x
  2. Step 2: Convert to fraction form
    40,265.81/60,398.63 = 10,280.03/x
  3. Step 3: Cross multiply
    40,265.81x = 60,398.63 × 10,280.03
  4. Step 4: Simplify right side
    40,265.81x = 620,899,374.97
  5. Step 5: Solve for x
    x = 620,899,374.97/40,265.81
  6. Step 6: Final answer
    x = 15,420.02

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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.