Home / 27,520.12-37,977.15-15,583.96

Finding the Fourth Proportional to 27,520.12, 37,977.15 and 15,583.96

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Solution

The fourth proportional to 27,520.12, 37,977.15 and 15,583.96 is: 21,505.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,520.12 : 37,977.15 = 15,583.96 : x
  2. Step 2: Convert to fraction form
    27,520.12/37,977.15 = 15,583.96/x
  3. Step 3: Cross multiply
    27,520.12x = 37,977.15 × 15,583.96
  4. Step 4: Simplify right side
    27,520.12x = 591,834,386.51
  5. Step 5: Solve for x
    x = 591,834,386.51/27,520.12
  6. Step 6: Final answer
    x = 21,505.52

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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.