Home / 27,536.11-38,002.14-15,436.40

Finding the Fourth Proportional to 27,536.11, 38,002.14 and 15,436.40

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Solution

The fourth proportional to 27,536.11, 38,002.14 and 15,436.40 is: 21,303.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,536.11 : 38,002.14 = 15,436.40 : x
  2. Step 2: Convert to fraction form
    27,536.11/38,002.14 = 15,436.40/x
  3. Step 3: Cross multiply
    27,536.11x = 38,002.14 × 15,436.40
  4. Step 4: Simplify right side
    27,536.11x = 586,616,043.89
  5. Step 5: Solve for x
    x = 586,616,043.89/27,536.11
  6. Step 6: Final answer
    x = 21,303.52

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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.