Home / 28,867.58-43,301.37-9,147.67

Finding the Fourth Proportional to 28,867.58, 43,301.37 and 9,147.67

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Solution

The fourth proportional to 28,867.58, 43,301.37 and 9,147.67 is: 13,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.58 : 43,301.37 = 9,147.67 : x
  2. Step 2: Convert to fraction form
    28,867.58/43,301.37 = 9,147.67/x
  3. Step 3: Cross multiply
    28,867.58x = 43,301.37 × 9,147.67
  4. Step 4: Simplify right side
    28,867.58x = 396,106,643.31
  5. Step 5: Solve for x
    x = 396,106,643.31/28,867.58
  6. Step 6: Final answer
    x = 13,721.51

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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.