Home / 29,347.12-40,498.41-15,917.86

Finding the Fourth Proportional to 29,347.12, 40,498.41 and 15,917.86

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Solution

The fourth proportional to 29,347.12, 40,498.41 and 15,917.86 is: 21,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,347.12 : 40,498.41 = 15,917.86 : x
  2. Step 2: Convert to fraction form
    29,347.12/40,498.41 = 15,917.86/x
  3. Step 3: Cross multiply
    29,347.12x = 40,498.41 × 15,917.86
  4. Step 4: Simplify right side
    29,347.12x = 644,648,020.60
  5. Step 5: Solve for x
    x = 644,648,020.60/29,347.12
  6. Step 6: Final answer
    x = 21,966.31

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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.