Home / 22,769.06-31,419.77-14,270.87

Finding the Fourth Proportional to 22,769.06, 31,419.77 and 14,270.87

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Solution

The fourth proportional to 22,769.06, 31,419.77 and 14,270.87 is: 19,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,769.06 : 31,419.77 = 14,270.87 : x
  2. Step 2: Convert to fraction form
    22,769.06/31,419.77 = 14,270.87/x
  3. Step 3: Cross multiply
    22,769.06x = 31,419.77 × 14,270.87
  4. Step 4: Simplify right side
    22,769.06x = 448,387,460.29
  5. Step 5: Solve for x
    x = 448,387,460.29/22,769.06
  6. Step 6: Final answer
    x = 19,692.84

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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.