Home / 27,214.58-37,558.29-15,278.70

Finding the Fourth Proportional to 27,214.58, 37,558.29 and 15,278.70

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Solution

The fourth proportional to 27,214.58, 37,558.29 and 15,278.70 is: 21,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,214.58 : 37,558.29 = 15,278.70 : x
  2. Step 2: Convert to fraction form
    27,214.58/37,558.29 = 15,278.70/x
  3. Step 3: Cross multiply
    27,214.58x = 37,558.29 × 15,278.70
  4. Step 4: Simplify right side
    27,214.58x = 573,841,845.42
  5. Step 5: Solve for x
    x = 573,841,845.42/27,214.58
  6. Step 6: Final answer
    x = 21,085.82

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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.