Home / 27,562.80-38,035.56-15,628.68

Finding the Fourth Proportional to 27,562.80, 38,035.56 and 15,628.68

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Solution

The fourth proportional to 27,562.80, 38,035.56 and 15,628.68 is: 21,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,562.80 : 38,035.56 = 15,628.68 : x
  2. Step 2: Convert to fraction form
    27,562.80/38,035.56 = 15,628.68/x
  3. Step 3: Cross multiply
    27,562.80x = 38,035.56 × 15,628.68
  4. Step 4: Simplify right side
    27,562.80x = 594,445,595.86
  5. Step 5: Solve for x
    x = 594,445,595.86/27,562.80
  6. Step 6: Final answer
    x = 21,566.95

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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.