Home / 28,992.64-43,501.33-12,360.50

Finding the Fourth Proportional to 28,992.64, 43,501.33 and 12,360.50

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Solution

The fourth proportional to 28,992.64, 43,501.33 and 12,360.50 is: 18,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.64 : 43,501.33 = 12,360.50 : x
  2. Step 2: Convert to fraction form
    28,992.64/43,501.33 = 12,360.50/x
  3. Step 3: Cross multiply
    28,992.64x = 43,501.33 × 12,360.50
  4. Step 4: Simplify right side
    28,992.64x = 537,698,189.47
  5. Step 5: Solve for x
    x = 537,698,189.47/28,992.64
  6. Step 6: Final answer
    x = 18,546.02

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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.