Home / 21,750.72-32,619.60-9,270.60

Finding the Fourth Proportional to 21,750.72, 32,619.60 and 9,270.60

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Solution

The fourth proportional to 21,750.72, 32,619.60 and 9,270.60 is: 13,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.72 : 32,619.60 = 9,270.60 : x
  2. Step 2: Convert to fraction form
    21,750.72/32,619.60 = 9,270.60/x
  3. Step 3: Cross multiply
    21,750.72x = 32,619.60 × 9,270.60
  4. Step 4: Simplify right side
    21,750.72x = 302,403,263.76
  5. Step 5: Solve for x
    x = 302,403,263.76/21,750.72
  6. Step 6: Final answer
    x = 13,903.14

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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.