Home / 28,769.32-39,608.22-22,768.84

Finding the Fourth Proportional to 28,769.32, 39,608.22 and 22,768.84

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Solution

The fourth proportional to 28,769.32, 39,608.22 and 22,768.84 is: 31,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.32 : 39,608.22 = 22,768.84 : x
  2. Step 2: Convert to fraction form
    28,769.32/39,608.22 = 22,768.84/x
  3. Step 3: Cross multiply
    28,769.32x = 39,608.22 × 22,768.84
  4. Step 4: Simplify right side
    28,769.32x = 901,833,223.86
  5. Step 5: Solve for x
    x = 901,833,223.86/28,769.32
  6. Step 6: Final answer
    x = 31,347.05

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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.