Home / 29,170.36-40,250.76-16,421.68

Finding the Fourth Proportional to 29,170.36, 40,250.76 and 16,421.68

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Solution

The fourth proportional to 29,170.36, 40,250.76 and 16,421.68 is: 22,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,170.36 : 40,250.76 = 16,421.68 : x
  2. Step 2: Convert to fraction form
    29,170.36/40,250.76 = 16,421.68/x
  3. Step 3: Cross multiply
    29,170.36x = 40,250.76 × 16,421.68
  4. Step 4: Simplify right side
    29,170.36x = 660,985,100.48
  5. Step 5: Solve for x
    x = 660,985,100.48/29,170.36
  6. Step 6: Final answer
    x = 22,659.48

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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.