Home / 28,809.06-39,756.51-16,234.26

Finding the Fourth Proportional to 28,809.06, 39,756.51 and 16,234.26

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Solution

The fourth proportional to 28,809.06, 39,756.51 and 16,234.26 is: 22,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.06 : 39,756.51 = 16,234.26 : x
  2. Step 2: Convert to fraction form
    28,809.06/39,756.51 = 16,234.26/x
  3. Step 3: Cross multiply
    28,809.06x = 39,756.51 × 16,234.26
  4. Step 4: Simplify right side
    28,809.06x = 645,417,558.55
  5. Step 5: Solve for x
    x = 645,417,558.55/28,809.06
  6. Step 6: Final answer
    x = 22,403.28

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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.