Home / 26,585.10-39,885.45-7,865.63

Finding the Fourth Proportional to 26,585.10, 39,885.45 and 7,865.63

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Solution

The fourth proportional to 26,585.10, 39,885.45 and 7,865.63 is: 11,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,585.10 : 39,885.45 = 7,865.63 : x
  2. Step 2: Convert to fraction form
    26,585.10/39,885.45 = 7,865.63/x
  3. Step 3: Cross multiply
    26,585.10x = 39,885.45 × 7,865.63
  4. Step 4: Simplify right side
    26,585.10x = 313,724,192.08
  5. Step 5: Solve for x
    x = 313,724,192.08/26,585.10
  6. Step 6: Final answer
    x = 11,800.75

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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.