Home / 26,439.48-39,650.04-10,639.80

Finding the Fourth Proportional to 26,439.48, 39,650.04 and 10,639.80

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Solution

The fourth proportional to 26,439.48, 39,650.04 and 10,639.80 is: 15,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.48 : 39,650.04 = 10,639.80 : x
  2. Step 2: Convert to fraction form
    26,439.48/39,650.04 = 10,639.80/x
  3. Step 3: Cross multiply
    26,439.48x = 39,650.04 × 10,639.80
  4. Step 4: Simplify right side
    26,439.48x = 421,868,495.59
  5. Step 5: Solve for x
    x = 421,868,495.59/26,439.48
  6. Step 6: Final answer
    x = 15,956.01

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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.