Home / 28,796.12-39,746.07-18,749.66

Finding the Fourth Proportional to 28,796.12, 39,746.07 and 18,749.66

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Solution

The fourth proportional to 28,796.12, 39,746.07 and 18,749.66 is: 25,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,796.12 : 39,746.07 = 18,749.66 : x
  2. Step 2: Convert to fraction form
    28,796.12/39,746.07 = 18,749.66/x
  3. Step 3: Cross multiply
    28,796.12x = 39,746.07 × 18,749.66
  4. Step 4: Simplify right side
    28,796.12x = 745,225,298.84
  5. Step 5: Solve for x
    x = 745,225,298.84/28,796.12
  6. Step 6: Final answer
    x = 25,879.36

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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.