Home / 19,954.80-27,526.36-12,489.84

Finding the Fourth Proportional to 19,954.80, 27,526.36 and 12,489.84

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Solution

The fourth proportional to 19,954.80, 27,526.36 and 12,489.84 is: 17,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.80 : 27,526.36 = 12,489.84 : x
  2. Step 2: Convert to fraction form
    19,954.80/27,526.36 = 12,489.84/x
  3. Step 3: Cross multiply
    19,954.80x = 27,526.36 × 12,489.84
  4. Step 4: Simplify right side
    19,954.80x = 343,799,832.18
  5. Step 5: Solve for x
    x = 343,799,832.18/19,954.80
  6. Step 6: Final answer
    x = 17,228.93

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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.