Home / 28,209.15-38,927.28-16,276.32

Finding the Fourth Proportional to 28,209.15, 38,927.28 and 16,276.32

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Solution

The fourth proportional to 28,209.15, 38,927.28 and 16,276.32 is: 22,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,209.15 : 38,927.28 = 16,276.32 : x
  2. Step 2: Convert to fraction form
    28,209.15/38,927.28 = 16,276.32/x
  3. Step 3: Cross multiply
    28,209.15x = 38,927.28 × 16,276.32
  4. Step 4: Simplify right side
    28,209.15x = 633,592,866.01
  5. Step 5: Solve for x
    x = 633,592,866.01/28,209.15
  6. Step 6: Final answer
    x = 22,460.54

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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.