Home / 28,043.72-38,700.33-15,468.47

Finding the Fourth Proportional to 28,043.72, 38,700.33 and 15,468.47

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Solution

The fourth proportional to 28,043.72, 38,700.33 and 15,468.47 is: 21,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.72 : 38,700.33 = 15,468.47 : x
  2. Step 2: Convert to fraction form
    28,043.72/38,700.33 = 15,468.47/x
  3. Step 3: Cross multiply
    28,043.72x = 38,700.33 × 15,468.47
  4. Step 4: Simplify right side
    28,043.72x = 598,634,874.22
  5. Step 5: Solve for x
    x = 598,634,874.22/28,043.72
  6. Step 6: Final answer
    x = 21,346.49

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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.