Home / 28,904.18-39,883.95-16,156.85

Finding the Fourth Proportional to 28,904.18, 39,883.95 and 16,156.85

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Solution

The fourth proportional to 28,904.18, 39,883.95 and 16,156.85 is: 22,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.18 : 39,883.95 = 16,156.85 : x
  2. Step 2: Convert to fraction form
    28,904.18/39,883.95 = 16,156.85/x
  3. Step 3: Cross multiply
    28,904.18x = 39,883.95 × 16,156.85
  4. Step 4: Simplify right side
    28,904.18x = 644,398,798.14
  5. Step 5: Solve for x
    x = 644,398,798.14/28,904.18
  6. Step 6: Final answer
    x = 22,294.32

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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.