Home / 27,178.40-37,507.68-15,245.52

Finding the Fourth Proportional to 27,178.40, 37,507.68 and 15,245.52

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Solution

The fourth proportional to 27,178.40, 37,507.68 and 15,245.52 is: 21,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.40 : 37,507.68 = 15,245.52 : x
  2. Step 2: Convert to fraction form
    27,178.40/37,507.68 = 15,245.52/x
  3. Step 3: Cross multiply
    27,178.40x = 37,507.68 × 15,245.52
  4. Step 4: Simplify right side
    27,178.40x = 571,824,085.59
  5. Step 5: Solve for x
    x = 571,824,085.59/27,178.40
  6. Step 6: Final answer
    x = 21,039.65

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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.