Home / 27,345.20-37,733.12-15,408.16

Finding the Fourth Proportional to 27,345.20, 37,733.12 and 15,408.16

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Solution

The fourth proportional to 27,345.20, 37,733.12 and 15,408.16 is: 21,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,345.20 : 37,733.12 = 15,408.16 : x
  2. Step 2: Convert to fraction form
    27,345.20/37,733.12 = 15,408.16/x
  3. Step 3: Cross multiply
    27,345.20x = 37,733.12 × 15,408.16
  4. Step 4: Simplify right side
    27,345.20x = 581,397,950.26
  5. Step 5: Solve for x
    x = 581,397,950.26/27,345.20
  6. Step 6: Final answer
    x = 21,261.43

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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.