Home / 20,005.48-27,607.36-11,052.40

Finding the Fourth Proportional to 20,005.48, 27,607.36 and 11,052.40

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Solution

The fourth proportional to 20,005.48, 27,607.36 and 11,052.40 is: 15,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.48 : 27,607.36 = 11,052.40 : x
  2. Step 2: Convert to fraction form
    20,005.48/27,607.36 = 11,052.40/x
  3. Step 3: Cross multiply
    20,005.48x = 27,607.36 × 11,052.40
  4. Step 4: Simplify right side
    20,005.48x = 305,127,530.42
  5. Step 5: Solve for x
    x = 305,127,530.42/20,005.48
  6. Step 6: Final answer
    x = 15,252.20

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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.