Home / 27,090.32-40,564.28-21,797.20

Finding the Fourth Proportional to 27,090.32, 40,564.28 and 21,797.20

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Solution

The fourth proportional to 27,090.32, 40,564.28 and 21,797.20 is: 32,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.32 : 40,564.28 = 21,797.20 : x
  2. Step 2: Convert to fraction form
    27,090.32/40,564.28 = 21,797.20/x
  3. Step 3: Cross multiply
    27,090.32x = 40,564.28 × 21,797.20
  4. Step 4: Simplify right side
    27,090.32x = 884,187,724.02
  5. Step 5: Solve for x
    x = 884,187,724.02/27,090.32
  6. Step 6: Final answer
    x = 32,638.51

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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.