Home / 15,724.80-23,580.48-5,331.84

Finding the Fourth Proportional to 15,724.80, 23,580.48 and 5,331.84

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Solution

The fourth proportional to 15,724.80, 23,580.48 and 5,331.84 is: 7,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724.80 : 23,580.48 = 5,331.84 : x
  2. Step 2: Convert to fraction form
    15,724.80/23,580.48 = 5,331.84/x
  3. Step 3: Cross multiply
    15,724.80x = 23,580.48 × 5,331.84
  4. Step 4: Simplify right side
    15,724.80x = 125,727,346.48
  5. Step 5: Solve for x
    x = 125,727,346.48/15,724.80
  6. Step 6: Final answer
    x = 7,995.48

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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.