Home / 27,639.79-38,141.90-15,064.27

Finding the Fourth Proportional to 27,639.79, 38,141.90 and 15,064.27

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Solution

The fourth proportional to 27,639.79, 38,141.90 and 15,064.27 is: 20,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.79 : 38,141.90 = 15,064.27 : x
  2. Step 2: Convert to fraction form
    27,639.79/38,141.90 = 15,064.27/x
  3. Step 3: Cross multiply
    27,639.79x = 38,141.90 × 15,064.27
  4. Step 4: Simplify right side
    27,639.79x = 574,579,804.59
  5. Step 5: Solve for x
    x = 574,579,804.59/27,639.79
  6. Step 6: Final answer
    x = 20,788.14

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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.