Home / 29,423.84-40,605.09-15,995.21

Finding the Fourth Proportional to 29,423.84, 40,605.09 and 15,995.21

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Solution

The fourth proportional to 29,423.84, 40,605.09 and 15,995.21 is: 22,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,423.84 : 40,605.09 = 15,995.21 : x
  2. Step 2: Convert to fraction form
    29,423.84/40,605.09 = 15,995.21/x
  3. Step 3: Cross multiply
    29,423.84x = 40,605.09 × 15,995.21
  4. Step 4: Simplify right side
    29,423.84x = 649,486,941.62
  5. Step 5: Solve for x
    x = 649,486,941.62/29,423.84
  6. Step 6: Final answer
    x = 22,073.49

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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.