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Finding the Fourth Proportional to 25,275, 37,935.06 and 13,276.92

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Solution

The fourth proportional to 25,275, 37,935.06 and 13,276.92 is: 19,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,275 : 37,935.06 = 13,276.92 : x
  2. Step 2: Convert to fraction form
    25,275/37,935.06 = 13,276.92/x
  3. Step 3: Cross multiply
    25,275x = 37,935.06 × 13,276.92
  4. Step 4: Simplify right side
    25,275x = 503,660,756.82
  5. Step 5: Solve for x
    x = 503,660,756.82/25,275
  6. Step 6: Final answer
    x = 19,927.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.