Home / 27,903.20-38,506.41-15,327.95

Finding the Fourth Proportional to 27,903.20, 38,506.41 and 15,327.95

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Solution

The fourth proportional to 27,903.20, 38,506.41 and 15,327.95 is: 21,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.20 : 38,506.41 = 15,327.95 : x
  2. Step 2: Convert to fraction form
    27,903.20/38,506.41 = 15,327.95/x
  3. Step 3: Cross multiply
    27,903.20x = 38,506.41 × 15,327.95
  4. Step 4: Simplify right side
    27,903.20x = 590,224,134.63
  5. Step 5: Solve for x
    x = 590,224,134.63/27,903.20
  6. Step 6: Final answer
    x = 21,152.56

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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.