Home / 15,572.58-23,358.75-3,885.72

Finding the Fourth Proportional to 15,572.58, 23,358.75 and 3,885.72

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Solution

The fourth proportional to 15,572.58, 23,358.75 and 3,885.72 is: 5,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.58 : 23,358.75 = 3,885.72 : x
  2. Step 2: Convert to fraction form
    15,572.58/23,358.75 = 3,885.72/x
  3. Step 3: Cross multiply
    15,572.58x = 23,358.75 × 3,885.72
  4. Step 4: Simplify right side
    15,572.58x = 90,765,562.05
  5. Step 5: Solve for x
    x = 90,765,562.05/15,572.58
  6. Step 6: Final answer
    x = 5,828.55

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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.