Home / 27,088.32-37,383.66-15,153.72

Finding the Fourth Proportional to 27,088.32, 37,383.66 and 15,153.72

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Solution

The fourth proportional to 27,088.32, 37,383.66 and 15,153.72 is: 20,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.32 : 37,383.66 = 15,153.72 : x
  2. Step 2: Convert to fraction form
    27,088.32/37,383.66 = 15,153.72/x
  3. Step 3: Cross multiply
    27,088.32x = 37,383.66 × 15,153.72
  4. Step 4: Simplify right side
    27,088.32x = 566,501,516.22
  5. Step 5: Solve for x
    x = 566,501,516.22/27,088.32
  6. Step 6: Final answer
    x = 20,913.13

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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.