Home / 28,666.80-39,553.26-16,723.32

Finding the Fourth Proportional to 28,666.80, 39,553.26 and 16,723.32

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Solution

The fourth proportional to 28,666.80, 39,553.26 and 16,723.32 is: 23,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666.80 : 39,553.26 = 16,723.32 : x
  2. Step 2: Convert to fraction form
    28,666.80/39,553.26 = 16,723.32/x
  3. Step 3: Cross multiply
    28,666.80x = 39,553.26 × 16,723.32
  4. Step 4: Simplify right side
    28,666.80x = 661,461,824.02
  5. Step 5: Solve for x
    x = 661,461,824.02/28,666.80
  6. Step 6: Final answer
    x = 23,074.14

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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.