Home / 26,006.72-39,011.04-12,152

Finding the Fourth Proportional to 26,006.72, 39,011.04 and 12,152

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Solution

The fourth proportional to 26,006.72, 39,011.04 and 12,152 is: 18,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,006.72 : 39,011.04 = 12,152 : x
  2. Step 2: Convert to fraction form
    26,006.72/39,011.04 = 12,152/x
  3. Step 3: Cross multiply
    26,006.72x = 39,011.04 × 12,152
  4. Step 4: Simplify right side
    26,006.72x = 474,062,158.08
  5. Step 5: Solve for x
    x = 474,062,158.08/26,006.72
  6. Step 6: Final answer
    x = 18,228.45

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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.