Home / 27,296.96-37,672.02-15,359.60

Finding the Fourth Proportional to 27,296.96, 37,672.02 and 15,359.60

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Solution

The fourth proportional to 27,296.96, 37,672.02 and 15,359.60 is: 21,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,296.96 : 37,672.02 = 15,359.60 : x
  2. Step 2: Convert to fraction form
    27,296.96/37,672.02 = 15,359.60/x
  3. Step 3: Cross multiply
    27,296.96x = 37,672.02 × 15,359.60
  4. Step 4: Simplify right side
    27,296.96x = 578,627,158.39
  5. Step 5: Solve for x
    x = 578,627,158.39/27,296.96
  6. Step 6: Final answer
    x = 21,197.49

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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.