Home / 28,995.20-40,013.15-26,614.79

Finding the Fourth Proportional to 28,995.20, 40,013.15 and 26,614.79

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Solution

The fourth proportional to 28,995.20, 40,013.15 and 26,614.79 is: 36,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.20 : 40,013.15 = 26,614.79 : x
  2. Step 2: Convert to fraction form
    28,995.20/40,013.15 = 26,614.79/x
  3. Step 3: Cross multiply
    28,995.20x = 40,013.15 × 26,614.79
  4. Step 4: Simplify right side
    28,995.20x = 1,064,941,584.49
  5. Step 5: Solve for x
    x = 1,064,941,584.49/28,995.20
  6. Step 6: Final answer
    x = 36,728.20

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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.