Home / 20,044.05-27,657.06-12,875.25

Finding the Fourth Proportional to 20,044.05, 27,657.06 and 12,875.25

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Solution

The fourth proportional to 20,044.05, 27,657.06 and 12,875.25 is: 17,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.05 : 27,657.06 = 12,875.25 : x
  2. Step 2: Convert to fraction form
    20,044.05/27,657.06 = 12,875.25/x
  3. Step 3: Cross multiply
    20,044.05x = 27,657.06 × 12,875.25
  4. Step 4: Simplify right side
    20,044.05x = 356,091,561.77
  5. Step 5: Solve for x
    x = 356,091,561.77/20,044.05
  6. Step 6: Final answer
    x = 17,765.45

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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.