Home / 27,477.15-37,877.13-21,498.44

Finding the Fourth Proportional to 27,477.15, 37,877.13 and 21,498.44

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Solution

The fourth proportional to 27,477.15, 37,877.13 and 21,498.44 is: 29,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477.15 : 37,877.13 = 21,498.44 : x
  2. Step 2: Convert to fraction form
    27,477.15/37,877.13 = 21,498.44/x
  3. Step 3: Cross multiply
    27,477.15x = 37,877.13 × 21,498.44
  4. Step 4: Simplify right side
    27,477.15x = 814,299,154.05
  5. Step 5: Solve for x
    x = 814,299,154.05/27,477.15
  6. Step 6: Final answer
    x = 29,635.50

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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.