Home / 27,573.17-38,057.74-15,643.49

Finding the Fourth Proportional to 27,573.17, 38,057.74 and 15,643.49

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Solution

The fourth proportional to 27,573.17, 38,057.74 and 15,643.49 is: 21,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,573.17 : 38,057.74 = 15,643.49 : x
  2. Step 2: Convert to fraction form
    27,573.17/38,057.74 = 15,643.49/x
  3. Step 3: Cross multiply
    27,573.17x = 38,057.74 × 15,643.49
  4. Step 4: Simplify right side
    27,573.17x = 595,355,931.15
  5. Step 5: Solve for x
    x = 595,355,931.15/27,573.17
  6. Step 6: Final answer
    x = 21,591.85

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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.