Home / 26,615.04-36,727.20-15,281.92

Finding the Fourth Proportional to 26,615.04, 36,727.20 and 15,281.92

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Solution

The fourth proportional to 26,615.04, 36,727.20 and 15,281.92 is: 21,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.04 : 36,727.20 = 15,281.92 : x
  2. Step 2: Convert to fraction form
    26,615.04/36,727.20 = 15,281.92/x
  3. Step 3: Cross multiply
    26,615.04x = 36,727.20 × 15,281.92
  4. Step 4: Simplify right side
    26,615.04x = 561,262,132.22
  5. Step 5: Solve for x
    x = 561,262,132.22/26,615.04
  6. Step 6: Final answer
    x = 21,088.16

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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.