Home / 26,088.45-39,138.34-8,557.62

Finding the Fourth Proportional to 26,088.45, 39,138.34 and 8,557.62

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Solution

The fourth proportional to 26,088.45, 39,138.34 and 8,557.62 is: 12,838.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,088.45 : 39,138.34 = 8,557.62 : x
  2. Step 2: Convert to fraction form
    26,088.45/39,138.34 = 8,557.62/x
  3. Step 3: Cross multiply
    26,088.45x = 39,138.34 × 8,557.62
  4. Step 4: Simplify right side
    26,088.45x = 334,930,889.03
  5. Step 5: Solve for x
    x = 334,930,889.03/26,088.45
  6. Step 6: Final answer
    x = 12,838.28

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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.