Home / 27,178.25-37,506.38-20,360.21

Finding the Fourth Proportional to 27,178.25, 37,506.38 and 20,360.21

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Solution

The fourth proportional to 27,178.25, 37,506.38 and 20,360.21 is: 28,097.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.25 : 37,506.38 = 20,360.21 : x
  2. Step 2: Convert to fraction form
    27,178.25/37,506.38 = 20,360.21/x
  3. Step 3: Cross multiply
    27,178.25x = 37,506.38 × 20,360.21
  4. Step 4: Simplify right side
    27,178.25x = 763,637,483.81
  5. Step 5: Solve for x
    x = 763,637,483.81/27,178.25
  6. Step 6: Final answer
    x = 28,097.38

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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.