Home / 28,700.32-39,625.56-17,961.52

Finding the Fourth Proportional to 28,700.32, 39,625.56 and 17,961.52

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Solution

The fourth proportional to 28,700.32, 39,625.56 and 17,961.52 is: 24,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.32 : 39,625.56 = 17,961.52 : x
  2. Step 2: Convert to fraction form
    28,700.32/39,625.56 = 17,961.52/x
  3. Step 3: Cross multiply
    28,700.32x = 39,625.56 × 17,961.52
  4. Step 4: Simplify right side
    28,700.32x = 711,735,288.45
  5. Step 5: Solve for x
    x = 711,735,288.45/28,700.32
  6. Step 6: Final answer
    x = 24,798.86

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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.