Home / 28,169.22-42,273-15,030.84

Finding the Fourth Proportional to 28,169.22, 42,273 and 15,030.84

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Solution

The fourth proportional to 28,169.22, 42,273 and 15,030.84 is: 22,556.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.22 : 42,273 = 15,030.84 : x
  2. Step 2: Convert to fraction form
    28,169.22/42,273 = 15,030.84/x
  3. Step 3: Cross multiply
    28,169.22x = 42,273 × 15,030.84
  4. Step 4: Simplify right side
    28,169.22x = 635,398,699.32
  5. Step 5: Solve for x
    x = 635,398,699.32/28,169.22
  6. Step 6: Final answer
    x = 22,556.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.