Home / 27,977.68-41,953.56-10,434.88

Finding the Fourth Proportional to 27,977.68, 41,953.56 and 10,434.88

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Solution

The fourth proportional to 27,977.68, 41,953.56 and 10,434.88 is: 15,647.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,977.68 : 41,953.56 = 10,434.88 : x
  2. Step 2: Convert to fraction form
    27,977.68/41,953.56 = 10,434.88/x
  3. Step 3: Cross multiply
    27,977.68x = 41,953.56 × 10,434.88
  4. Step 4: Simplify right side
    27,977.68x = 437,780,364.17
  5. Step 5: Solve for x
    x = 437,780,364.17/27,977.68
  6. Step 6: Final answer
    x = 15,647.49

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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.