Home / 20,152.44-27,808.92-12,602.16

Finding the Fourth Proportional to 20,152.44, 27,808.92 and 12,602.16

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Solution

The fourth proportional to 20,152.44, 27,808.92 and 12,602.16 is: 17,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.44 : 27,808.92 = 12,602.16 : x
  2. Step 2: Convert to fraction form
    20,152.44/27,808.92 = 12,602.16/x
  3. Step 3: Cross multiply
    20,152.44x = 27,808.92 × 12,602.16
  4. Step 4: Simplify right side
    20,152.44x = 350,452,459.27
  5. Step 5: Solve for x
    x = 350,452,459.27/20,152.44
  6. Step 6: Final answer
    x = 17,390.08

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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.