Home / 28,371.37-42,566.64-12,574.24

Finding the Fourth Proportional to 28,371.37, 42,566.64 and 12,574.24

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Solution

The fourth proportional to 28,371.37, 42,566.64 and 12,574.24 is: 18,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371.37 : 42,566.64 = 12,574.24 : x
  2. Step 2: Convert to fraction form
    28,371.37/42,566.64 = 12,574.24/x
  3. Step 3: Cross multiply
    28,371.37x = 42,566.64 × 12,574.24
  4. Step 4: Simplify right side
    28,371.37x = 535,243,147.35
  5. Step 5: Solve for x
    x = 535,243,147.35/28,371.37
  6. Step 6: Final answer
    x = 18,865.61

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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.