Home / 29,339.24-40,487.98-15,910.80

Finding the Fourth Proportional to 29,339.24, 40,487.98 and 15,910.80

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Solution

The fourth proportional to 29,339.24, 40,487.98 and 15,910.80 is: 21,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,339.24 : 40,487.98 = 15,910.80 : x
  2. Step 2: Convert to fraction form
    29,339.24/40,487.98 = 15,910.80/x
  3. Step 3: Cross multiply
    29,339.24x = 40,487.98 × 15,910.80
  4. Step 4: Simplify right side
    29,339.24x = 644,196,152.18
  5. Step 5: Solve for x
    x = 644,196,152.18/29,339.24
  6. Step 6: Final answer
    x = 21,956.81

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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.