Home / 29,265.42-40,386.22-16,521.28

Finding the Fourth Proportional to 29,265.42, 40,386.22 and 16,521.28

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Solution

The fourth proportional to 29,265.42, 40,386.22 and 16,521.28 is: 22,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265.42 : 40,386.22 = 16,521.28 : x
  2. Step 2: Convert to fraction form
    29,265.42/40,386.22 = 16,521.28/x
  3. Step 3: Cross multiply
    29,265.42x = 40,386.22 × 16,521.28
  4. Step 4: Simplify right side
    29,265.42x = 667,232,048.76
  5. Step 5: Solve for x
    x = 667,232,048.76/29,265.42
  6. Step 6: Final answer
    x = 22,799.33

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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.