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Finding the Fourth Proportional to 17,833.76, 26,700.70 and 13,437.44

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Solution

The fourth proportional to 17,833.76, 26,700.70 and 13,437.44 is: 20,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,833.76 : 26,700.70 = 13,437.44 : x
  2. Step 2: Convert to fraction form
    17,833.76/26,700.70 = 13,437.44/x
  3. Step 3: Cross multiply
    17,833.76x = 26,700.70 × 13,437.44
  4. Step 4: Simplify right side
    17,833.76x = 358,789,054.21
  5. Step 5: Solve for x
    x = 358,789,054.21/17,833.76
  6. Step 6: Final answer
    x = 20,118.53

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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.