Home / 27,666.84-38,180.16-15,091.50

Finding the Fourth Proportional to 27,666.84, 38,180.16 and 15,091.50

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Solution

The fourth proportional to 27,666.84, 38,180.16 and 15,091.50 is: 20,826.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,666.84 : 38,180.16 = 15,091.50 : x
  2. Step 2: Convert to fraction form
    27,666.84/38,180.16 = 15,091.50/x
  3. Step 3: Cross multiply
    27,666.84x = 38,180.16 × 15,091.50
  4. Step 4: Simplify right side
    27,666.84x = 576,195,884.64
  5. Step 5: Solve for x
    x = 576,195,884.64/27,666.84
  6. Step 6: Final answer
    x = 20,826.23

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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.