Home / 20,240.64-27,938.40-16,460.76

Finding the Fourth Proportional to 20,240.64, 27,938.40 and 16,460.76

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Solution

The fourth proportional to 20,240.64, 27,938.40 and 16,460.76 is: 22,720.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.64 : 27,938.40 = 16,460.76 : x
  2. Step 2: Convert to fraction form
    20,240.64/27,938.40 = 16,460.76/x
  3. Step 3: Cross multiply
    20,240.64x = 27,938.40 × 16,460.76
  4. Step 4: Simplify right side
    20,240.64x = 459,887,297.18
  5. Step 5: Solve for x
    x = 459,887,297.18/20,240.64
  6. Step 6: Final answer
    x = 22,720.99

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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.