Home / 26,190.34-39,285.70-7,470.35

Finding the Fourth Proportional to 26,190.34, 39,285.70 and 7,470.35

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Solution

The fourth proportional to 26,190.34, 39,285.70 and 7,470.35 is: 11,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.34 : 39,285.70 = 7,470.35 : x
  2. Step 2: Convert to fraction form
    26,190.34/39,285.70 = 7,470.35/x
  3. Step 3: Cross multiply
    26,190.34x = 39,285.70 × 7,470.35
  4. Step 4: Simplify right side
    26,190.34x = 293,477,929.00
  5. Step 5: Solve for x
    x = 293,477,929.00/26,190.34
  6. Step 6: Final answer
    x = 11,205.58

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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.