Home / 20,507.38-30,735.69-14,574.81

Finding the Fourth Proportional to 20,507.38, 30,735.69 and 14,574.81

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Solution

The fourth proportional to 20,507.38, 30,735.69 and 14,574.81 is: 21,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,507.38 : 30,735.69 = 14,574.81 : x
  2. Step 2: Convert to fraction form
    20,507.38/30,735.69 = 14,574.81/x
  3. Step 3: Cross multiply
    20,507.38x = 30,735.69 × 14,574.81
  4. Step 4: Simplify right side
    20,507.38x = 447,966,841.97
  5. Step 5: Solve for x
    x = 447,966,841.97/20,507.38
  6. Step 6: Final answer
    x = 21,844.18

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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.