Home / 29,278.28-43,890.51-10,553.74

Finding the Fourth Proportional to 29,278.28, 43,890.51 and 10,553.74

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Solution

The fourth proportional to 29,278.28, 43,890.51 and 10,553.74 is: 15,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.28 : 43,890.51 = 10,553.74 : x
  2. Step 2: Convert to fraction form
    29,278.28/43,890.51 = 10,553.74/x
  3. Step 3: Cross multiply
    29,278.28x = 43,890.51 × 10,553.74
  4. Step 4: Simplify right side
    29,278.28x = 463,208,921.28
  5. Step 5: Solve for x
    x = 463,208,921.28/29,278.28
  6. Step 6: Final answer
    x = 15,820.90

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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.