Home / 28,044.88-38,701.86-16,108.99

Finding the Fourth Proportional to 28,044.88, 38,701.86 and 16,108.99

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Solution

The fourth proportional to 28,044.88, 38,701.86 and 16,108.99 is: 22,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.88 : 38,701.86 = 16,108.99 : x
  2. Step 2: Convert to fraction form
    28,044.88/38,701.86 = 16,108.99/x
  3. Step 3: Cross multiply
    28,044.88x = 38,701.86 × 16,108.99
  4. Step 4: Simplify right side
    28,044.88x = 623,447,875.72
  5. Step 5: Solve for x
    x = 623,447,875.72/28,044.88
  6. Step 6: Final answer
    x = 22,230.36

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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.