Home / 26,279.20-39,411.60-10,698.40

Finding the Fourth Proportional to 26,279.20, 39,411.60 and 10,698.40

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Solution

The fourth proportional to 26,279.20, 39,411.60 and 10,698.40 is: 16,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.20 : 39,411.60 = 10,698.40 : x
  2. Step 2: Convert to fraction form
    26,279.20/39,411.60 = 10,698.40/x
  3. Step 3: Cross multiply
    26,279.20x = 39,411.60 × 10,698.40
  4. Step 4: Simplify right side
    26,279.20x = 421,641,061.44
  5. Step 5: Solve for x
    x = 421,641,061.44/26,279.20
  6. Step 6: Final answer
    x = 16,044.67

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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.