Home / 19,037.93-26,286.21-15,281.76

Finding the Fourth Proportional to 19,037.93, 26,286.21 and 15,281.76

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Solution

The fourth proportional to 19,037.93, 26,286.21 and 15,281.76 is: 21,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.93 : 26,286.21 = 15,281.76 : x
  2. Step 2: Convert to fraction form
    19,037.93/26,286.21 = 15,281.76/x
  3. Step 3: Cross multiply
    19,037.93x = 26,286.21 × 15,281.76
  4. Step 4: Simplify right side
    19,037.93x = 401,699,476.12
  5. Step 5: Solve for x
    x = 401,699,476.12/19,037.93
  6. Step 6: Final answer
    x = 21,099.96

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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.