Home / 29,412.23-40,587.79-15,983.19

Finding the Fourth Proportional to 29,412.23, 40,587.79 and 15,983.19

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Solution

The fourth proportional to 29,412.23, 40,587.79 and 15,983.19 is: 22,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,412.23 : 40,587.79 = 15,983.19 : x
  2. Step 2: Convert to fraction form
    29,412.23/40,587.79 = 15,983.19/x
  3. Step 3: Cross multiply
    29,412.23x = 40,587.79 × 15,983.19
  4. Step 4: Simplify right side
    29,412.23x = 648,722,359.25
  5. Step 5: Solve for x
    x = 648,722,359.25/29,412.23
  6. Step 6: Final answer
    x = 22,056.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.