Home / 19,927.76-27,301.15-19,180.40

Finding the Fourth Proportional to 19,927.76, 27,301.15 and 19,180.40

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Solution

The fourth proportional to 19,927.76, 27,301.15 and 19,180.40 is: 26,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.76 : 27,301.15 = 19,180.40 : x
  2. Step 2: Convert to fraction form
    19,927.76/27,301.15 = 19,180.40/x
  3. Step 3: Cross multiply
    19,927.76x = 27,301.15 × 19,180.40
  4. Step 4: Simplify right side
    19,927.76x = 523,646,977.46
  5. Step 5: Solve for x
    x = 523,646,977.46/19,927.76
  6. Step 6: Final answer
    x = 26,277.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.