Home / 47,980.26-66,216-27,837.15

Finding the Fourth Proportional to 47,980.26, 66,216 and 27,837.15

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Solution

The fourth proportional to 47,980.26, 66,216 and 27,837.15 is: 38,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.26 : 66,216 = 27,837.15 : x
  2. Step 2: Convert to fraction form
    47,980.26/66,216 = 27,837.15/x
  3. Step 3: Cross multiply
    47,980.26x = 66,216 × 27,837.15
  4. Step 4: Simplify right side
    47,980.26x = 1,843,264,724.40
  5. Step 5: Solve for x
    x = 1,843,264,724.40/47,980.26
  6. Step 6: Final answer
    x = 38,417.15

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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.