Home / 28,827.53-39,782.69-16,080.62

Finding the Fourth Proportional to 28,827.53, 39,782.69 and 16,080.62

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Solution

The fourth proportional to 28,827.53, 39,782.69 and 16,080.62 is: 22,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.53 : 39,782.69 = 16,080.62 : x
  2. Step 2: Convert to fraction form
    28,827.53/39,782.69 = 16,080.62/x
  3. Step 3: Cross multiply
    28,827.53x = 39,782.69 × 16,080.62
  4. Step 4: Simplify right side
    28,827.53x = 639,730,303.80
  5. Step 5: Solve for x
    x = 639,730,303.80/28,827.53
  6. Step 6: Final answer
    x = 22,191.65

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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.