Home / 27,267.02-37,628.25-15,330.40

Finding the Fourth Proportional to 27,267.02, 37,628.25 and 15,330.40

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Solution

The fourth proportional to 27,267.02, 37,628.25 and 15,330.40 is: 21,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,267.02 : 37,628.25 = 15,330.40 : x
  2. Step 2: Convert to fraction form
    27,267.02/37,628.25 = 15,330.40/x
  3. Step 3: Cross multiply
    27,267.02x = 37,628.25 × 15,330.40
  4. Step 4: Simplify right side
    27,267.02x = 576,856,129.03
  5. Step 5: Solve for x
    x = 576,856,129.03/27,267.02
  6. Step 6: Final answer
    x = 21,155.82

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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.