Home / 25,660.83-38,503.44-17,775.48

Finding the Fourth Proportional to 25,660.83, 38,503.44 and 17,775.48

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Solution

The fourth proportional to 25,660.83, 38,503.44 and 17,775.48 is: 26,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,660.83 : 38,503.44 = 17,775.48 : x
  2. Step 2: Convert to fraction form
    25,660.83/38,503.44 = 17,775.48/x
  3. Step 3: Cross multiply
    25,660.83x = 38,503.44 × 17,775.48
  4. Step 4: Simplify right side
    25,660.83x = 684,417,272.04
  5. Step 5: Solve for x
    x = 684,417,272.04/25,660.83
  6. Step 6: Final answer
    x = 26,671.67

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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.