Home / 28,952.28-39,952.44-18,899.64

Finding the Fourth Proportional to 28,952.28, 39,952.44 and 18,899.64

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Solution

The fourth proportional to 28,952.28, 39,952.44 and 18,899.64 is: 26,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,952.28 : 39,952.44 = 18,899.64 : x
  2. Step 2: Convert to fraction form
    28,952.28/39,952.44 = 18,899.64/x
  3. Step 3: Cross multiply
    28,952.28x = 39,952.44 × 18,899.64
  4. Step 4: Simplify right side
    28,952.28x = 755,086,733.12
  5. Step 5: Solve for x
    x = 755,086,733.12/28,952.28
  6. Step 6: Final answer
    x = 26,080.39

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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.