Home / 28,669.68-39,566.64-16,736.86

Finding the Fourth Proportional to 28,669.68, 39,566.64 and 16,736.86

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Solution

The fourth proportional to 28,669.68, 39,566.64 and 16,736.86 is: 23,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,669.68 : 39,566.64 = 16,736.86 : x
  2. Step 2: Convert to fraction form
    28,669.68/39,566.64 = 16,736.86/x
  3. Step 3: Cross multiply
    28,669.68x = 39,566.64 × 16,736.86
  4. Step 4: Simplify right side
    28,669.68x = 662,221,426.57
  5. Step 5: Solve for x
    x = 662,221,426.57/28,669.68
  6. Step 6: Final answer
    x = 23,098.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.