Home / 27,143.30-37,457.62-15,206.73

Finding the Fourth Proportional to 27,143.30, 37,457.62 and 15,206.73

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Solution

The fourth proportional to 27,143.30, 37,457.62 and 15,206.73 is: 20,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.30 : 37,457.62 = 15,206.73 : x
  2. Step 2: Convert to fraction form
    27,143.30/37,457.62 = 15,206.73/x
  3. Step 3: Cross multiply
    27,143.30x = 37,457.62 × 15,206.73
  4. Step 4: Simplify right side
    27,143.30x = 569,607,913.78
  5. Step 5: Solve for x
    x = 569,607,913.78/27,143.30
  6. Step 6: Final answer
    x = 20,985.21

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Double scale
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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.