Home / 17,690.05-26,535.15-16,803.20

Finding the Fourth Proportional to 17,690.05, 26,535.15 and 16,803.20

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Solution

The fourth proportional to 17,690.05, 26,535.15 and 16,803.20 is: 25,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.05 : 26,535.15 = 16,803.20 : x
  2. Step 2: Convert to fraction form
    17,690.05/26,535.15 = 16,803.20/x
  3. Step 3: Cross multiply
    17,690.05x = 26,535.15 × 16,803.20
  4. Step 4: Simplify right side
    17,690.05x = 445,875,348.46
  5. Step 5: Solve for x
    x = 445,875,348.46/17,690.05
  6. Step 6: Final answer
    x = 25,204.87

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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.