Home / 22,001.08-30,320.83-15,627.91

Finding the Fourth Proportional to 22,001.08, 30,320.83 and 15,627.91

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Solution

The fourth proportional to 22,001.08, 30,320.83 and 15,627.91 is: 21,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.08 : 30,320.83 = 15,627.91 : x
  2. Step 2: Convert to fraction form
    22,001.08/30,320.83 = 15,627.91/x
  3. Step 3: Cross multiply
    22,001.08x = 30,320.83 × 15,627.91
  4. Step 4: Simplify right side
    22,001.08x = 473,851,202.37
  5. Step 5: Solve for x
    x = 473,851,202.37/22,001.08
  6. Step 6: Final answer
    x = 21,537.63

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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.