Home / 26,347.38-36,360.09-15,743.16

Finding the Fourth Proportional to 26,347.38, 36,360.09 and 15,743.16

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Solution

The fourth proportional to 26,347.38, 36,360.09 and 15,743.16 is: 21,725.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,347.38 : 36,360.09 = 15,743.16 : x
  2. Step 2: Convert to fraction form
    26,347.38/36,360.09 = 15,743.16/x
  3. Step 3: Cross multiply
    26,347.38x = 36,360.09 × 15,743.16
  4. Step 4: Simplify right side
    26,347.38x = 572,422,714.48
  5. Step 5: Solve for x
    x = 572,422,714.48/26,347.38
  6. Step 6: Final answer
    x = 21,725.99

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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.