Home / 28,707.91-43,052.28-12,064.84

Finding the Fourth Proportional to 28,707.91, 43,052.28 and 12,064.84

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Solution

The fourth proportional to 28,707.91, 43,052.28 and 12,064.84 is: 18,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.91 : 43,052.28 = 12,064.84 : x
  2. Step 2: Convert to fraction form
    28,707.91/43,052.28 = 12,064.84/x
  3. Step 3: Cross multiply
    28,707.91x = 43,052.28 × 12,064.84
  4. Step 4: Simplify right side
    28,707.91x = 519,418,762.20
  5. Step 5: Solve for x
    x = 519,418,762.20/28,707.91
  6. Step 6: Final answer
    x = 18,093.23

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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.