Home / 29,021.28-40,049-16,275.68

Finding the Fourth Proportional to 29,021.28, 40,049 and 16,275.68

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Solution

The fourth proportional to 29,021.28, 40,049 and 16,275.68 is: 22,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,021.28 : 40,049 = 16,275.68 : x
  2. Step 2: Convert to fraction form
    29,021.28/40,049 = 16,275.68/x
  3. Step 3: Cross multiply
    29,021.28x = 40,049 × 16,275.68
  4. Step 4: Simplify right side
    29,021.28x = 651,824,708.32
  5. Step 5: Solve for x
    x = 651,824,708.32/29,021.28
  6. Step 6: Final answer
    x = 22,460.23

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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.