Home / 27,429.17-37,851.62-15,492.20

Finding the Fourth Proportional to 27,429.17, 37,851.62 and 15,492.20

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Solution

The fourth proportional to 27,429.17, 37,851.62 and 15,492.20 is: 21,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,429.17 : 37,851.62 = 15,492.20 : x
  2. Step 2: Convert to fraction form
    27,429.17/37,851.62 = 15,492.20/x
  3. Step 3: Cross multiply
    27,429.17x = 37,851.62 × 15,492.20
  4. Step 4: Simplify right side
    27,429.17x = 586,404,600.64
  5. Step 5: Solve for x
    x = 586,404,600.64/27,429.17
  6. Step 6: Final answer
    x = 21,378.87

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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.