Home / 27,088.46-37,384.03-15,155.64

Finding the Fourth Proportional to 27,088.46, 37,384.03 and 15,155.64

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Solution

The fourth proportional to 27,088.46, 37,384.03 and 15,155.64 is: 20,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.46 : 37,384.03 = 15,155.64 : x
  2. Step 2: Convert to fraction form
    27,088.46/37,384.03 = 15,155.64/x
  3. Step 3: Cross multiply
    27,088.46x = 37,384.03 × 15,155.64
  4. Step 4: Simplify right side
    27,088.46x = 566,578,900.43
  5. Step 5: Solve for x
    x = 566,578,900.43/27,088.46
  6. Step 6: Final answer
    x = 20,915.88

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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.