Home / 28,494.34-42,754.05-15,164.21

Finding the Fourth Proportional to 28,494.34, 42,754.05 and 15,164.21

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Solution

The fourth proportional to 28,494.34, 42,754.05 and 15,164.21 is: 22,752.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,494.34 : 42,754.05 = 15,164.21 : x
  2. Step 2: Convert to fraction form
    28,494.34/42,754.05 = 15,164.21/x
  3. Step 3: Cross multiply
    28,494.34x = 42,754.05 × 15,164.21
  4. Step 4: Simplify right side
    28,494.34x = 648,331,499.44
  5. Step 5: Solve for x
    x = 648,331,499.44/28,494.34
  6. Step 6: Final answer
    x = 22,752.99

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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.