Home / 26,335.48-36,319.44-15,721.24

Finding the Fourth Proportional to 26,335.48, 36,319.44 and 15,721.24

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Solution

The fourth proportional to 26,335.48, 36,319.44 and 15,721.24 is: 21,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,335.48 : 36,319.44 = 15,721.24 : x
  2. Step 2: Convert to fraction form
    26,335.48/36,319.44 = 15,721.24/x
  3. Step 3: Cross multiply
    26,335.48x = 36,319.44 × 15,721.24
  4. Step 4: Simplify right side
    26,335.48x = 570,986,632.91
  5. Step 5: Solve for x
    x = 570,986,632.91/26,335.48
  6. Step 6: Final answer
    x = 21,681.27

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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.