Home / 20,754.08-28,637.14-19,703.24

Finding the Fourth Proportional to 20,754.08, 28,637.14 and 19,703.24

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Solution

The fourth proportional to 20,754.08, 28,637.14 and 19,703.24 is: 27,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754.08 : 28,637.14 = 19,703.24 : x
  2. Step 2: Convert to fraction form
    20,754.08/28,637.14 = 19,703.24/x
  3. Step 3: Cross multiply
    20,754.08x = 28,637.14 × 19,703.24
  4. Step 4: Simplify right side
    20,754.08x = 564,244,442.33
  5. Step 5: Solve for x
    x = 564,244,442.33/20,754.08
  6. Step 6: Final answer
    x = 27,187.16

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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.