Home / 28,209.06-42,324.12-15,054.12

Finding the Fourth Proportional to 28,209.06, 42,324.12 and 15,054.12

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Solution

The fourth proportional to 28,209.06, 42,324.12 and 15,054.12 is: 22,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,209.06 : 42,324.12 = 15,054.12 : x
  2. Step 2: Convert to fraction form
    28,209.06/42,324.12 = 15,054.12/x
  3. Step 3: Cross multiply
    28,209.06x = 42,324.12 × 15,054.12
  4. Step 4: Simplify right side
    28,209.06x = 637,152,381.37
  5. Step 5: Solve for x
    x = 637,152,381.37/28,209.06
  6. Step 6: Final answer
    x = 22,586.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.