Home / 28,254.33-38,990.56-16,154.68

Finding the Fourth Proportional to 28,254.33, 38,990.56 and 16,154.68

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Solution

The fourth proportional to 28,254.33, 38,990.56 and 16,154.68 is: 22,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.33 : 38,990.56 = 16,154.68 : x
  2. Step 2: Convert to fraction form
    28,254.33/38,990.56 = 16,154.68/x
  3. Step 3: Cross multiply
    28,254.33x = 38,990.56 × 16,154.68
  4. Step 4: Simplify right side
    28,254.33x = 629,880,019.82
  5. Step 5: Solve for x
    x = 629,880,019.82/28,254.33
  6. Step 6: Final answer
    x = 22,293.22

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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.