Home / 19,037.56-26,285.69-15,281.38

Finding the Fourth Proportional to 19,037.56, 26,285.69 and 15,281.38

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Solution

The fourth proportional to 19,037.56, 26,285.69 and 15,281.38 is: 21,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.56 : 26,285.69 = 15,281.38 : x
  2. Step 2: Convert to fraction form
    19,037.56/26,285.69 = 15,281.38/x
  3. Step 3: Cross multiply
    19,037.56x = 26,285.69 × 15,281.38
  4. Step 4: Simplify right side
    19,037.56x = 401,681,606.76
  5. Step 5: Solve for x
    x = 401,681,606.76/19,037.56
  6. Step 6: Final answer
    x = 21,099.43

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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.