Home / 27,143.84-37,458.24-15,207.68

Finding the Fourth Proportional to 27,143.84, 37,458.24 and 15,207.68

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Solution

The fourth proportional to 27,143.84, 37,458.24 and 15,207.68 is: 20,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.84 : 37,458.24 = 15,207.68 : x
  2. Step 2: Convert to fraction form
    27,143.84/37,458.24 = 15,207.68/x
  3. Step 3: Cross multiply
    27,143.84x = 37,458.24 × 15,207.68
  4. Step 4: Simplify right side
    27,143.84x = 569,652,927.28
  5. Step 5: Solve for x
    x = 569,652,927.28/27,143.84
  6. Step 6: Final answer
    x = 20,986.45

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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.