Home / 28,838.36-39,798.80-16,263.92

Finding the Fourth Proportional to 28,838.36, 39,798.80 and 16,263.92

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Solution

The fourth proportional to 28,838.36, 39,798.80 and 16,263.92 is: 22,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.36 : 39,798.80 = 16,263.92 : x
  2. Step 2: Convert to fraction form
    28,838.36/39,798.80 = 16,263.92/x
  3. Step 3: Cross multiply
    28,838.36x = 39,798.80 × 16,263.92
  4. Step 4: Simplify right side
    28,838.36x = 647,284,499.30
  5. Step 5: Solve for x
    x = 647,284,499.30/28,838.36
  6. Step 6: Final answer
    x = 22,445.26

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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.