Home / 27,933.99-38,548.90-15,358.74

Finding the Fourth Proportional to 27,933.99, 38,548.90 and 15,358.74

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Solution

The fourth proportional to 27,933.99, 38,548.90 and 15,358.74 is: 21,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.99 : 38,548.90 = 15,358.74 : x
  2. Step 2: Convert to fraction form
    27,933.99/38,548.90 = 15,358.74/x
  3. Step 3: Cross multiply
    27,933.99x = 38,548.90 × 15,358.74
  4. Step 4: Simplify right side
    27,933.99x = 592,062,349.43
  5. Step 5: Solve for x
    x = 592,062,349.43/27,933.99
  6. Step 6: Final answer
    x = 21,195.05

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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.