Home / 23,784.48-32,749.30-21,127.28

Finding the Fourth Proportional to 23,784.48, 32,749.30 and 21,127.28

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Solution

The fourth proportional to 23,784.48, 32,749.30 and 21,127.28 is: 29,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,784.48 : 32,749.30 = 21,127.28 : x
  2. Step 2: Convert to fraction form
    23,784.48/32,749.30 = 21,127.28/x
  3. Step 3: Cross multiply
    23,784.48x = 32,749.30 × 21,127.28
  4. Step 4: Simplify right side
    23,784.48x = 691,903,630.90
  5. Step 5: Solve for x
    x = 691,903,630.90/23,784.48
  6. Step 6: Final answer
    x = 29,090.55

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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.