Home / 27,782.48-41,686.98-12,989.25

Finding the Fourth Proportional to 27,782.48, 41,686.98 and 12,989.25

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Solution

The fourth proportional to 27,782.48, 41,686.98 and 12,989.25 is: 19,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,782.48 : 41,686.98 = 12,989.25 : x
  2. Step 2: Convert to fraction form
    27,782.48/41,686.98 = 12,989.25/x
  3. Step 3: Cross multiply
    27,782.48x = 41,686.98 × 12,989.25
  4. Step 4: Simplify right side
    27,782.48x = 541,482,604.97
  5. Step 5: Solve for x
    x = 541,482,604.97/27,782.48
  6. Step 6: Final answer
    x = 19,490.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.