Home / 15,991.29-24,003.34-15,400.80

Finding the Fourth Proportional to 15,991.29, 24,003.34 and 15,400.80

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Solution

The fourth proportional to 15,991.29, 24,003.34 and 15,400.80 is: 23,117.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.29 : 24,003.34 = 15,400.80 : x
  2. Step 2: Convert to fraction form
    15,991.29/24,003.34 = 15,400.80/x
  3. Step 3: Cross multiply
    15,991.29x = 24,003.34 × 15,400.80
  4. Step 4: Simplify right side
    15,991.29x = 369,670,600.17
  5. Step 5: Solve for x
    x = 369,670,600.17/15,991.29
  6. Step 6: Final answer
    x = 23,117.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.