Home / 27,323.70-37,710.27-15,389.34

Finding the Fourth Proportional to 27,323.70, 37,710.27 and 15,389.34

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Solution

The fourth proportional to 27,323.70, 37,710.27 and 15,389.34 is: 21,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.70 : 37,710.27 = 15,389.34 : x
  2. Step 2: Convert to fraction form
    27,323.70/37,710.27 = 15,389.34/x
  3. Step 3: Cross multiply
    27,323.70x = 37,710.27 × 15,389.34
  4. Step 4: Simplify right side
    27,323.70x = 580,336,166.52
  5. Step 5: Solve for x
    x = 580,336,166.52/27,323.70
  6. Step 6: Final answer
    x = 21,239.30

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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.