Home / 29,471.28-40,678.96-19,263.80

Finding the Fourth Proportional to 29,471.28, 40,678.96 and 19,263.80

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Solution

The fourth proportional to 29,471.28, 40,678.96 and 19,263.80 is: 26,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,471.28 : 40,678.96 = 19,263.80 : x
  2. Step 2: Convert to fraction form
    29,471.28/40,678.96 = 19,263.80/x
  3. Step 3: Cross multiply
    29,471.28x = 40,678.96 × 19,263.80
  4. Step 4: Simplify right side
    29,471.28x = 783,631,349.65
  5. Step 5: Solve for x
    x = 783,631,349.65/29,471.28
  6. Step 6: Final answer
    x = 26,589.66

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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.