Home / 28,700.46-43,060.41-12,903.84

Finding the Fourth Proportional to 28,700.46, 43,060.41 and 12,903.84

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Solution

The fourth proportional to 28,700.46, 43,060.41 and 12,903.84 is: 19,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.46 : 43,060.41 = 12,903.84 : x
  2. Step 2: Convert to fraction form
    28,700.46/43,060.41 = 12,903.84/x
  3. Step 3: Cross multiply
    28,700.46x = 43,060.41 × 12,903.84
  4. Step 4: Simplify right side
    28,700.46x = 555,644,640.97
  5. Step 5: Solve for x
    x = 555,644,640.97/28,700.46
  6. Step 6: Final answer
    x = 19,360.13

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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.