Home / 29,287.48-40,435.34-19,233.76

Finding the Fourth Proportional to 29,287.48, 40,435.34 and 19,233.76

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Solution

The fourth proportional to 29,287.48, 40,435.34 and 19,233.76 is: 26,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.48 : 40,435.34 = 19,233.76 : x
  2. Step 2: Convert to fraction form
    29,287.48/40,435.34 = 19,233.76/x
  3. Step 3: Cross multiply
    29,287.48x = 40,435.34 × 19,233.76
  4. Step 4: Simplify right side
    29,287.48x = 777,723,625.08
  5. Step 5: Solve for x
    x = 777,723,625.08/29,287.48
  6. Step 6: Final answer
    x = 26,554.82

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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.