Home / 27,417.63-37,835.28-15,318.75

Finding the Fourth Proportional to 27,417.63, 37,835.28 and 15,318.75

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Solution

The fourth proportional to 27,417.63, 37,835.28 and 15,318.75 is: 21,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,417.63 : 37,835.28 = 15,318.75 : x
  2. Step 2: Convert to fraction form
    27,417.63/37,835.28 = 15,318.75/x
  3. Step 3: Cross multiply
    27,417.63x = 37,835.28 × 15,318.75
  4. Step 4: Simplify right side
    27,417.63x = 579,589,195.50
  5. Step 5: Solve for x
    x = 579,589,195.50/27,417.63
  6. Step 6: Final answer
    x = 21,139.29

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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.