Home / 29,399.56-40,572.09-15,971.58

Finding the Fourth Proportional to 29,399.56, 40,572.09 and 15,971.58

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Solution

The fourth proportional to 29,399.56, 40,572.09 and 15,971.58 is: 22,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399.56 : 40,572.09 = 15,971.58 : x
  2. Step 2: Convert to fraction form
    29,399.56/40,572.09 = 15,971.58/x
  3. Step 3: Cross multiply
    29,399.56x = 40,572.09 × 15,971.58
  4. Step 4: Simplify right side
    29,399.56x = 648,000,381.20
  5. Step 5: Solve for x
    x = 648,000,381.20/29,399.56
  6. Step 6: Final answer
    x = 22,041.16

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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.