Home / 27,775.50-38,334.51-16,603.98

Finding the Fourth Proportional to 27,775.50, 38,334.51 and 16,603.98

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Solution

The fourth proportional to 27,775.50, 38,334.51 and 16,603.98 is: 22,916.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,775.50 : 38,334.51 = 16,603.98 : x
  2. Step 2: Convert to fraction form
    27,775.50/38,334.51 = 16,603.98/x
  3. Step 3: Cross multiply
    27,775.50x = 38,334.51 × 16,603.98
  4. Step 4: Simplify right side
    27,775.50x = 636,505,437.35
  5. Step 5: Solve for x
    x = 636,505,437.35/27,775.50
  6. Step 6: Final answer
    x = 22,916.07

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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.