Home / 28,079.94-38,750.41-15,333.26

Finding the Fourth Proportional to 28,079.94, 38,750.41 and 15,333.26

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Solution

The fourth proportional to 28,079.94, 38,750.41 and 15,333.26 is: 21,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.94 : 38,750.41 = 15,333.26 : x
  2. Step 2: Convert to fraction form
    28,079.94/38,750.41 = 15,333.26/x
  3. Step 3: Cross multiply
    28,079.94x = 38,750.41 × 15,333.26
  4. Step 4: Simplify right side
    28,079.94x = 594,170,231.08
  5. Step 5: Solve for x
    x = 594,170,231.08/28,079.94
  6. Step 6: Final answer
    x = 21,159.95

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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.