Home / 20,046.81-27,664.29-12,973.08

Finding the Fourth Proportional to 20,046.81, 27,664.29 and 12,973.08

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Solution

The fourth proportional to 20,046.81, 27,664.29 and 12,973.08 is: 17,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.81 : 27,664.29 = 12,973.08 : x
  2. Step 2: Convert to fraction form
    20,046.81/27,664.29 = 12,973.08/x
  3. Step 3: Cross multiply
    20,046.81x = 27,664.29 × 12,973.08
  4. Step 4: Simplify right side
    20,046.81x = 358,891,047.31
  5. Step 5: Solve for x
    x = 358,891,047.31/20,046.81
  6. Step 6: Final answer
    x = 17,902.65

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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.