Home / 28,006.44-38,642.22-15,904.26

Finding the Fourth Proportional to 28,006.44, 38,642.22 and 15,904.26

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Solution

The fourth proportional to 28,006.44, 38,642.22 and 15,904.26 is: 21,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006.44 : 38,642.22 = 15,904.26 : x
  2. Step 2: Convert to fraction form
    28,006.44/38,642.22 = 15,904.26/x
  3. Step 3: Cross multiply
    28,006.44x = 38,642.22 × 15,904.26
  4. Step 4: Simplify right side
    28,006.44x = 614,575,913.86
  5. Step 5: Solve for x
    x = 614,575,913.86/28,006.44
  6. Step 6: Final answer
    x = 21,944.09

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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.