Home / 28,095.66-38,760.93-18,009.95

Finding the Fourth Proportional to 28,095.66, 38,760.93 and 18,009.95

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Solution

The fourth proportional to 28,095.66, 38,760.93 and 18,009.95 is: 24,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,095.66 : 38,760.93 = 18,009.95 : x
  2. Step 2: Convert to fraction form
    28,095.66/38,760.93 = 18,009.95/x
  3. Step 3: Cross multiply
    28,095.66x = 38,760.93 × 18,009.95
  4. Step 4: Simplify right side
    28,095.66x = 698,082,217.45
  5. Step 5: Solve for x
    x = 698,082,217.45/28,095.66
  6. Step 6: Final answer
    x = 24,846.62

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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.