Home / 28,673.67-43,024.60-12,889.86

Finding the Fourth Proportional to 28,673.67, 43,024.60 and 12,889.86

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Solution

The fourth proportional to 28,673.67, 43,024.60 and 12,889.86 is: 19,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.67 : 43,024.60 = 12,889.86 : x
  2. Step 2: Convert to fraction form
    28,673.67/43,024.60 = 12,889.86/x
  3. Step 3: Cross multiply
    28,673.67x = 43,024.60 × 12,889.86
  4. Step 4: Simplify right side
    28,673.67x = 554,581,070.56
  5. Step 5: Solve for x
    x = 554,581,070.56/28,673.67
  6. Step 6: Final answer
    x = 19,341.13

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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.