Home / 27,747.20-38,303.16-17,690.24

Finding the Fourth Proportional to 27,747.20, 38,303.16 and 17,690.24

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Solution

The fourth proportional to 27,747.20, 38,303.16 and 17,690.24 is: 24,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,747.20 : 38,303.16 = 17,690.24 : x
  2. Step 2: Convert to fraction form
    27,747.20/38,303.16 = 17,690.24/x
  3. Step 3: Cross multiply
    27,747.20x = 38,303.16 × 17,690.24
  4. Step 4: Simplify right side
    27,747.20x = 677,592,093.16
  5. Step 5: Solve for x
    x = 677,592,093.16/27,747.20
  6. Step 6: Final answer
    x = 24,420.20

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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.