Home / 18,027.84-26,988.50-13,316.56

Finding the Fourth Proportional to 18,027.84, 26,988.50 and 13,316.56

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Solution

The fourth proportional to 18,027.84, 26,988.50 and 13,316.56 is: 19,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,027.84 : 26,988.50 = 13,316.56 : x
  2. Step 2: Convert to fraction form
    18,027.84/26,988.50 = 13,316.56/x
  3. Step 3: Cross multiply
    18,027.84x = 26,988.50 × 13,316.56
  4. Step 4: Simplify right side
    18,027.84x = 359,393,979.56
  5. Step 5: Solve for x
    x = 359,393,979.56/18,027.84
  6. Step 6: Final answer
    x = 19,935.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.