Home / 29,279.46-40,424.32-19,225.76

Finding the Fourth Proportional to 29,279.46, 40,424.32 and 19,225.76

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Solution

The fourth proportional to 29,279.46, 40,424.32 and 19,225.76 is: 26,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,279.46 : 40,424.32 = 19,225.76 : x
  2. Step 2: Convert to fraction form
    29,279.46/40,424.32 = 19,225.76/x
  3. Step 3: Cross multiply
    29,279.46x = 40,424.32 × 19,225.76
  4. Step 4: Simplify right side
    29,279.46x = 777,188,274.48
  5. Step 5: Solve for x
    x = 777,188,274.48/29,279.46
  6. Step 6: Final answer
    x = 26,543.80

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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.