Home / 27,428.21-37,828.28-18,472.04

Finding the Fourth Proportional to 27,428.21, 37,828.28 and 18,472.04

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Solution

The fourth proportional to 27,428.21, 37,828.28 and 18,472.04 is: 25,476.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.21 : 37,828.28 = 18,472.04 : x
  2. Step 2: Convert to fraction form
    27,428.21/37,828.28 = 18,472.04/x
  3. Step 3: Cross multiply
    27,428.21x = 37,828.28 × 18,472.04
  4. Step 4: Simplify right side
    27,428.21x = 698,765,501.29
  5. Step 5: Solve for x
    x = 698,765,501.29/27,428.21
  6. Step 6: Final answer
    x = 25,476.16

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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.