Home / 28,125.04-38,816.40-16,188.16

Finding the Fourth Proportional to 28,125.04, 38,816.40 and 16,188.16

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Solution

The fourth proportional to 28,125.04, 38,816.40 and 16,188.16 is: 22,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125.04 : 38,816.40 = 16,188.16 : x
  2. Step 2: Convert to fraction form
    28,125.04/38,816.40 = 16,188.16/x
  3. Step 3: Cross multiply
    28,125.04x = 38,816.40 × 16,188.16
  4. Step 4: Simplify right side
    28,125.04x = 628,366,093.82
  5. Step 5: Solve for x
    x = 628,366,093.82/28,125.04
  6. Step 6: Final answer
    x = 22,341.87

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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.