Home / 28,857.20-43,302.12-15,710.48

Finding the Fourth Proportional to 28,857.20, 43,302.12 and 15,710.48

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Solution

The fourth proportional to 28,857.20, 43,302.12 and 15,710.48 is: 23,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.20 : 43,302.12 = 15,710.48 : x
  2. Step 2: Convert to fraction form
    28,857.20/43,302.12 = 15,710.48/x
  3. Step 3: Cross multiply
    28,857.20x = 43,302.12 × 15,710.48
  4. Step 4: Simplify right side
    28,857.20x = 680,297,090.22
  5. Step 5: Solve for x
    x = 680,297,090.22/28,857.20
  6. Step 6: Final answer
    x = 23,574.60

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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.