Home / 27,972.64-41,934.12-10,430.56

Finding the Fourth Proportional to 27,972.64, 41,934.12 and 10,430.56

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Solution

The fourth proportional to 27,972.64, 41,934.12 and 10,430.56 is: 15,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.64 : 41,934.12 = 10,430.56 : x
  2. Step 2: Convert to fraction form
    27,972.64/41,934.12 = 10,430.56/x
  3. Step 3: Cross multiply
    27,972.64x = 41,934.12 × 10,430.56
  4. Step 4: Simplify right side
    27,972.64x = 437,396,354.71
  5. Step 5: Solve for x
    x = 437,396,354.71/27,972.64
  6. Step 6: Final answer
    x = 15,636.58

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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.