Home / 21,395.62-29,508.03-16,030.66

Finding the Fourth Proportional to 21,395.62, 29,508.03 and 16,030.66

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Solution

The fourth proportional to 21,395.62, 29,508.03 and 16,030.66 is: 22,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.62 : 29,508.03 = 16,030.66 : x
  2. Step 2: Convert to fraction form
    21,395.62/29,508.03 = 16,030.66/x
  3. Step 3: Cross multiply
    21,395.62x = 29,508.03 × 16,030.66
  4. Step 4: Simplify right side
    21,395.62x = 473,033,196.20
  5. Step 5: Solve for x
    x = 473,033,196.20/21,395.62
  6. Step 6: Final answer
    x = 22,108.88

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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.