Home / 29,249.22-40,363.80-15,820.50

Finding the Fourth Proportional to 29,249.22, 40,363.80 and 15,820.50

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Solution

The fourth proportional to 29,249.22, 40,363.80 and 15,820.50 is: 21,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,249.22 : 40,363.80 = 15,820.50 : x
  2. Step 2: Convert to fraction form
    29,249.22/40,363.80 = 15,820.50/x
  3. Step 3: Cross multiply
    29,249.22x = 40,363.80 × 15,820.50
  4. Step 4: Simplify right side
    29,249.22x = 638,575,497.90
  5. Step 5: Solve for x
    x = 638,575,497.90/29,249.22
  6. Step 6: Final answer
    x = 21,832.22

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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.