Home / 28,700.91-43,050.96-13,911.12

Finding the Fourth Proportional to 28,700.91, 43,050.96 and 13,911.12

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Solution

The fourth proportional to 28,700.91, 43,050.96 and 13,911.12 is: 20,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.91 : 43,050.96 = 13,911.12 : x
  2. Step 2: Convert to fraction form
    28,700.91/43,050.96 = 13,911.12/x
  3. Step 3: Cross multiply
    28,700.91x = 43,050.96 × 13,911.12
  4. Step 4: Simplify right side
    28,700.91x = 598,887,070.68
  5. Step 5: Solve for x
    x = 598,887,070.68/28,700.91
  6. Step 6: Final answer
    x = 20,866.48

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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.