Home / 27,437.02-37,863.83-15,500.12

Finding the Fourth Proportional to 27,437.02, 37,863.83 and 15,500.12

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Solution

The fourth proportional to 27,437.02, 37,863.83 and 15,500.12 is: 21,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,437.02 : 37,863.83 = 15,500.12 : x
  2. Step 2: Convert to fraction form
    27,437.02/37,863.83 = 15,500.12/x
  3. Step 3: Cross multiply
    27,437.02x = 37,863.83 × 15,500.12
  4. Step 4: Simplify right side
    27,437.02x = 586,893,758.09
  5. Step 5: Solve for x
    x = 586,893,758.09/27,437.02
  6. Step 6: Final answer
    x = 21,390.58

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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.