Home / 27,470.94-37,909.47-15,533.88

Finding the Fourth Proportional to 27,470.94, 37,909.47 and 15,533.88

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Solution

The fourth proportional to 27,470.94, 37,909.47 and 15,533.88 is: 21,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,470.94 : 37,909.47 = 15,533.88 : x
  2. Step 2: Convert to fraction form
    27,470.94/37,909.47 = 15,533.88/x
  3. Step 3: Cross multiply
    27,470.94x = 37,909.47 × 15,533.88
  4. Step 4: Simplify right side
    27,470.94x = 588,881,157.84
  5. Step 5: Solve for x
    x = 588,881,157.84/27,470.94
  6. Step 6: Final answer
    x = 21,436.51

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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.