Home / 27,431.06-37,855.60-15,496.16

Finding the Fourth Proportional to 27,431.06, 37,855.60 and 15,496.16

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Solution

The fourth proportional to 27,431.06, 37,855.60 and 15,496.16 is: 21,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.06 : 37,855.60 = 15,496.16 : x
  2. Step 2: Convert to fraction form
    27,431.06/37,855.60 = 15,496.16/x
  3. Step 3: Cross multiply
    27,431.06x = 37,855.60 × 15,496.16
  4. Step 4: Simplify right side
    27,431.06x = 586,616,434.50
  5. Step 5: Solve for x
    x = 586,616,434.50/27,431.06
  6. Step 6: Final answer
    x = 21,385.12

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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.