Home / 27,155.06-40,707.50-18,838.98

Finding the Fourth Proportional to 27,155.06, 40,707.50 and 18,838.98

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Solution

The fourth proportional to 27,155.06, 40,707.50 and 18,838.98 is: 28,241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.06 : 40,707.50 = 18,838.98 : x
  2. Step 2: Convert to fraction form
    27,155.06/40,707.50 = 18,838.98/x
  3. Step 3: Cross multiply
    27,155.06x = 40,707.50 × 18,838.98
  4. Step 4: Simplify right side
    27,155.06x = 766,887,778.35
  5. Step 5: Solve for x
    x = 766,887,778.35/27,155.06
  6. Step 6: Final answer
    x = 28,241.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.