Home / 22,810.65-34,215.62-18,906.81

Finding the Fourth Proportional to 22,810.65, 34,215.62 and 18,906.81

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Solution

The fourth proportional to 22,810.65, 34,215.62 and 18,906.81 is: 28,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,810.65 : 34,215.62 = 18,906.81 : x
  2. Step 2: Convert to fraction form
    22,810.65/34,215.62 = 18,906.81/x
  3. Step 3: Cross multiply
    22,810.65x = 34,215.62 × 18,906.81
  4. Step 4: Simplify right side
    22,810.65x = 646,908,131.84
  5. Step 5: Solve for x
    x = 646,908,131.84/22,810.65
  6. Step 6: Final answer
    x = 28,359.92

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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.