Home / 28,686.18-39,584.76-16,108.50

Finding the Fourth Proportional to 28,686.18, 39,584.76 and 16,108.50

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Solution

The fourth proportional to 28,686.18, 39,584.76 and 16,108.50 is: 22,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686.18 : 39,584.76 = 16,108.50 : x
  2. Step 2: Convert to fraction form
    28,686.18/39,584.76 = 16,108.50/x
  3. Step 3: Cross multiply
    28,686.18x = 39,584.76 × 16,108.50
  4. Step 4: Simplify right side
    28,686.18x = 637,651,106.46
  5. Step 5: Solve for x
    x = 637,651,106.46/28,686.18
  6. Step 6: Final answer
    x = 22,228.51

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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.