Home / 27,681.52-38,200.48-15,106.24

Finding the Fourth Proportional to 27,681.52, 38,200.48 and 15,106.24

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Solution

The fourth proportional to 27,681.52, 38,200.48 and 15,106.24 is: 20,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.52 : 38,200.48 = 15,106.24 : x
  2. Step 2: Convert to fraction form
    27,681.52/38,200.48 = 15,106.24/x
  3. Step 3: Cross multiply
    27,681.52x = 38,200.48 × 15,106.24
  4. Step 4: Simplify right side
    27,681.52x = 577,065,619.00
  5. Step 5: Solve for x
    x = 577,065,619.00/27,681.52
  6. Step 6: Final answer
    x = 20,846.60

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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.