Home / 29,389.86-40,558.14-15,961.20

Finding the Fourth Proportional to 29,389.86, 40,558.14 and 15,961.20

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Solution

The fourth proportional to 29,389.86, 40,558.14 and 15,961.20 is: 22,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.86 : 40,558.14 = 15,961.20 : x
  2. Step 2: Convert to fraction form
    29,389.86/40,558.14 = 15,961.20/x
  3. Step 3: Cross multiply
    29,389.86x = 40,558.14 × 15,961.20
  4. Step 4: Simplify right side
    29,389.86x = 647,356,584.17
  5. Step 5: Solve for x
    x = 647,356,584.17/29,389.86
  6. Step 6: Final answer
    x = 22,026.53

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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.