Home / 27,396.43-37,808.21-15,459.77

Finding the Fourth Proportional to 27,396.43, 37,808.21 and 15,459.77

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Solution

The fourth proportional to 27,396.43, 37,808.21 and 15,459.77 is: 21,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,396.43 : 37,808.21 = 15,459.77 : x
  2. Step 2: Convert to fraction form
    27,396.43/37,808.21 = 15,459.77/x
  3. Step 3: Cross multiply
    27,396.43x = 37,808.21 × 15,459.77
  4. Step 4: Simplify right side
    27,396.43x = 584,506,153.41
  5. Step 5: Solve for x
    x = 584,506,153.41/27,396.43
  6. Step 6: Final answer
    x = 21,335.13

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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.