Home / 27,428.64-37,865.76-19,030.56

Finding the Fourth Proportional to 27,428.64, 37,865.76 and 19,030.56

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Solution

The fourth proportional to 27,428.64, 37,865.76 and 19,030.56 is: 26,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,428.64 : 37,865.76 = 19,030.56 : x
  2. Step 2: Convert to fraction form
    27,428.64/37,865.76 = 19,030.56/x
  3. Step 3: Cross multiply
    27,428.64x = 37,865.76 × 19,030.56
  4. Step 4: Simplify right side
    27,428.64x = 720,606,617.63
  5. Step 5: Solve for x
    x = 720,606,617.63/27,428.64
  6. Step 6: Final answer
    x = 26,272.05

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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.