Home / 21,570.60-32,336.70-19,237.80

Finding the Fourth Proportional to 21,570.60, 32,336.70 and 19,237.80

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Solution

The fourth proportional to 21,570.60, 32,336.70 and 19,237.80 is: 28,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,570.60 : 32,336.70 = 19,237.80 : x
  2. Step 2: Convert to fraction form
    21,570.60/32,336.70 = 19,237.80/x
  3. Step 3: Cross multiply
    21,570.60x = 32,336.70 × 19,237.80
  4. Step 4: Simplify right side
    21,570.60x = 622,086,967.26
  5. Step 5: Solve for x
    x = 622,086,967.26/21,570.60
  6. Step 6: Final answer
    x = 28,839.58

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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.