Home / 28,881.86-39,857.55-16,304.18

Finding the Fourth Proportional to 28,881.86, 39,857.55 and 16,304.18

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Solution

The fourth proportional to 28,881.86, 39,857.55 and 16,304.18 is: 22,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881.86 : 39,857.55 = 16,304.18 : x
  2. Step 2: Convert to fraction form
    28,881.86/39,857.55 = 16,304.18/x
  3. Step 3: Cross multiply
    28,881.86x = 39,857.55 × 16,304.18
  4. Step 4: Simplify right side
    28,881.86x = 649,844,669.56
  5. Step 5: Solve for x
    x = 649,844,669.56/28,881.86
  6. Step 6: Final answer
    x = 22,500.10

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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.