Home / 27,396.40-37,798.14-15,294.88

Finding the Fourth Proportional to 27,396.40, 37,798.14 and 15,294.88

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Solution

The fourth proportional to 27,396.40, 37,798.14 and 15,294.88 is: 21,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,396.40 : 37,798.14 = 15,294.88 : x
  2. Step 2: Convert to fraction form
    27,396.40/37,798.14 = 15,294.88/x
  3. Step 3: Cross multiply
    27,396.40x = 37,798.14 × 15,294.88
  4. Step 4: Simplify right side
    27,396.40x = 578,118,015.52
  5. Step 5: Solve for x
    x = 578,118,015.52/27,396.40
  6. Step 6: Final answer
    x = 21,101.97

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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.