Home / 22,888.36-31,561-19,877.60

Finding the Fourth Proportional to 22,888.36, 31,561 and 19,877.60

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Solution

The fourth proportional to 22,888.36, 31,561 and 19,877.60 is: 27,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,888.36 : 31,561 = 19,877.60 : x
  2. Step 2: Convert to fraction form
    22,888.36/31,561 = 19,877.60/x
  3. Step 3: Cross multiply
    22,888.36x = 31,561 × 19,877.60
  4. Step 4: Simplify right side
    22,888.36x = 627,356,933.60
  5. Step 5: Solve for x
    x = 627,356,933.60/22,888.36
  6. Step 6: Final answer
    x = 27,409.43

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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.