Home / 21,395.23-32,081.27-15,167.43

Finding the Fourth Proportional to 21,395.23, 32,081.27 and 15,167.43

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Solution

The fourth proportional to 21,395.23, 32,081.27 and 15,167.43 is: 22,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.23 : 32,081.27 = 15,167.43 : x
  2. Step 2: Convert to fraction form
    21,395.23/32,081.27 = 15,167.43/x
  3. Step 3: Cross multiply
    21,395.23x = 32,081.27 × 15,167.43
  4. Step 4: Simplify right side
    21,395.23x = 486,590,341.20
  5. Step 5: Solve for x
    x = 486,590,341.20/21,395.23
  6. Step 6: Final answer
    x = 22,742.94

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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.