Home / 27,275.60-37,642.54-15,338.24

Finding the Fourth Proportional to 27,275.60, 37,642.54 and 15,338.24

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Solution

The fourth proportional to 27,275.60, 37,642.54 and 15,338.24 is: 21,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.60 : 37,642.54 = 15,338.24 : x
  2. Step 2: Convert to fraction form
    27,275.60/37,642.54 = 15,338.24/x
  3. Step 3: Cross multiply
    27,275.60x = 37,642.54 × 15,338.24
  4. Step 4: Simplify right side
    27,275.60x = 577,370,312.73
  5. Step 5: Solve for x
    x = 577,370,312.73/27,275.60
  6. Step 6: Final answer
    x = 21,168.02

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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.