Home / 27,807.12-38,373.62-15,060.01

Finding the Fourth Proportional to 27,807.12, 38,373.62 and 15,060.01

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Solution

The fourth proportional to 27,807.12, 38,373.62 and 15,060.01 is: 20,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,807.12 : 38,373.62 = 15,060.01 : x
  2. Step 2: Convert to fraction form
    27,807.12/38,373.62 = 15,060.01/x
  3. Step 3: Cross multiply
    27,807.12x = 38,373.62 × 15,060.01
  4. Step 4: Simplify right side
    27,807.12x = 577,907,100.94
  5. Step 5: Solve for x
    x = 577,907,100.94/27,807.12
  6. Step 6: Final answer
    x = 20,782.71

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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.