Home / 39,982.38-59,975.73-10,400.28

Finding the Fourth Proportional to 39,982.38, 59,975.73 and 10,400.28

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Solution

The fourth proportional to 39,982.38, 59,975.73 and 10,400.28 is: 15,600.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.38 : 59,975.73 = 10,400.28 : x
  2. Step 2: Convert to fraction form
    39,982.38/59,975.73 = 10,400.28/x
  3. Step 3: Cross multiply
    39,982.38x = 59,975.73 × 10,400.28
  4. Step 4: Simplify right side
    39,982.38x = 623,764,385.20
  5. Step 5: Solve for x
    x = 623,764,385.20/39,982.38
  6. Step 6: Final answer
    x = 15,600.98

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1.5x scale

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.