Home / 37,890.64-52,287.88-20,895.60

Finding the Fourth Proportional to 37,890.64, 52,287.88 and 20,895.60

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Solution

The fourth proportional to 37,890.64, 52,287.88 and 20,895.60 is: 28,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,890.64 : 52,287.88 = 20,895.60 : x
  2. Step 2: Convert to fraction form
    37,890.64/52,287.88 = 20,895.60/x
  3. Step 3: Cross multiply
    37,890.64x = 52,287.88 × 20,895.60
  4. Step 4: Simplify right side
    37,890.64x = 1,092,586,625.33
  5. Step 5: Solve for x
    x = 1,092,586,625.33/37,890.64
  6. Step 6: Final answer
    x = 28,835.26

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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.