Home / 35,428.28-48,887.41-21,814.16

Finding the Fourth Proportional to 35,428.28, 48,887.41 and 21,814.16

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Solution

The fourth proportional to 35,428.28, 48,887.41 and 21,814.16 is: 30,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.28 : 48,887.41 = 21,814.16 : x
  2. Step 2: Convert to fraction form
    35,428.28/48,887.41 = 21,814.16/x
  3. Step 3: Cross multiply
    35,428.28x = 48,887.41 × 21,814.16
  4. Step 4: Simplify right side
    35,428.28x = 1,066,437,783.73
  5. Step 5: Solve for x
    x = 1,066,437,783.73/35,428.28
  6. Step 6: Final answer
    x = 30,101.31

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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.