Home / 28,867.59-43,309.01-12,228.23

Finding the Fourth Proportional to 28,867.59, 43,309.01 and 12,228.23

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Solution

The fourth proportional to 28,867.59, 43,309.01 and 12,228.23 is: 18,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.59 : 43,309.01 = 12,228.23 : x
  2. Step 2: Convert to fraction form
    28,867.59/43,309.01 = 12,228.23/x
  3. Step 3: Cross multiply
    28,867.59x = 43,309.01 × 12,228.23
  4. Step 4: Simplify right side
    28,867.59x = 529,592,674.20
  5. Step 5: Solve for x
    x = 529,592,674.20/28,867.59
  6. Step 6: Final answer
    x = 18,345.58

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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.