Home / 28,447.24-39,228.06-18,883.75

Finding the Fourth Proportional to 28,447.24, 39,228.06 and 18,883.75

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Solution

The fourth proportional to 28,447.24, 39,228.06 and 18,883.75 is: 26,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447.24 : 39,228.06 = 18,883.75 : x
  2. Step 2: Convert to fraction form
    28,447.24/39,228.06 = 18,883.75/x
  3. Step 3: Cross multiply
    28,447.24x = 39,228.06 × 18,883.75
  4. Step 4: Simplify right side
    28,447.24x = 740,772,878.03
  5. Step 5: Solve for x
    x = 740,772,878.03/28,447.24
  6. Step 6: Final answer
    x = 26,040.24

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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.