Home / 20,228.36-27,918.51-14,938.46

Finding the Fourth Proportional to 20,228.36, 27,918.51 and 14,938.46

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Solution

The fourth proportional to 20,228.36, 27,918.51 and 14,938.46 is: 20,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.36 : 27,918.51 = 14,938.46 : x
  2. Step 2: Convert to fraction form
    20,228.36/27,918.51 = 14,938.46/x
  3. Step 3: Cross multiply
    20,228.36x = 27,918.51 × 14,938.46
  4. Step 4: Simplify right side
    20,228.36x = 417,059,544.89
  5. Step 5: Solve for x
    x = 417,059,544.89/20,228.36
  6. Step 6: Final answer
    x = 20,617.57

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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.