Home / 26,223.38-39,326.57-8,688.50

Finding the Fourth Proportional to 26,223.38, 39,326.57 and 8,688.50

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Solution

The fourth proportional to 26,223.38, 39,326.57 and 8,688.50 is: 13,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,223.38 : 39,326.57 = 8,688.50 : x
  2. Step 2: Convert to fraction form
    26,223.38/39,326.57 = 8,688.50/x
  3. Step 3: Cross multiply
    26,223.38x = 39,326.57 × 8,688.50
  4. Step 4: Simplify right side
    26,223.38x = 341,688,860.00
  5. Step 5: Solve for x
    x = 341,688,860.00/26,223.38
  6. Step 6: Final answer
    x = 13,029.93

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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.