Home / 34,021.92-51,015.40-15,285.92

Finding the Fourth Proportional to 34,021.92, 51,015.40 and 15,285.92

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Solution

The fourth proportional to 34,021.92, 51,015.40 and 15,285.92 is: 22,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,021.92 : 51,015.40 = 15,285.92 : x
  2. Step 2: Convert to fraction form
    34,021.92/51,015.40 = 15,285.92/x
  3. Step 3: Cross multiply
    34,021.92x = 51,015.40 × 15,285.92
  4. Step 4: Simplify right side
    34,021.92x = 779,817,323.17
  5. Step 5: Solve for x
    x = 779,817,323.17/34,021.92
  6. Step 6: Final answer
    x = 22,921.03

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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.