Home / 28,740.59-39,661.61-16,165.34

Finding the Fourth Proportional to 28,740.59, 39,661.61 and 16,165.34

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Solution

The fourth proportional to 28,740.59, 39,661.61 and 16,165.34 is: 22,307.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740.59 : 39,661.61 = 16,165.34 : x
  2. Step 2: Convert to fraction form
    28,740.59/39,661.61 = 16,165.34/x
  3. Step 3: Cross multiply
    28,740.59x = 39,661.61 × 16,165.34
  4. Step 4: Simplify right side
    28,740.59x = 641,143,131.46
  5. Step 5: Solve for x
    x = 641,143,131.46/28,740.59
  6. Step 6: Final answer
    x = 22,307.94

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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.