Home / 27,736.11-38,271.56-15,797.93

Finding the Fourth Proportional to 27,736.11, 38,271.56 and 15,797.93

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Solution

The fourth proportional to 27,736.11, 38,271.56 and 15,797.93 is: 21,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.11 : 38,271.56 = 15,797.93 : x
  2. Step 2: Convert to fraction form
    27,736.11/38,271.56 = 15,797.93/x
  3. Step 3: Cross multiply
    27,736.11x = 38,271.56 × 15,797.93
  4. Step 4: Simplify right side
    27,736.11x = 604,611,155.52
  5. Step 5: Solve for x
    x = 604,611,155.52/27,736.11
  6. Step 6: Final answer
    x = 21,798.70

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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.