Home / 27,236.78-37,589.16-15,303.02

Finding the Fourth Proportional to 27,236.78, 37,589.16 and 15,303.02

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Solution

The fourth proportional to 27,236.78, 37,589.16 and 15,303.02 is: 21,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,236.78 : 37,589.16 = 15,303.02 : x
  2. Step 2: Convert to fraction form
    27,236.78/37,589.16 = 15,303.02/x
  3. Step 3: Cross multiply
    27,236.78x = 37,589.16 × 15,303.02
  4. Step 4: Simplify right side
    27,236.78x = 575,227,667.26
  5. Step 5: Solve for x
    x = 575,227,667.26/27,236.78
  6. Step 6: Final answer
    x = 21,119.52

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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.