Home / 28,462.66-39,278.32-16,528.93

Finding the Fourth Proportional to 28,462.66, 39,278.32 and 16,528.93

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Solution

The fourth proportional to 28,462.66, 39,278.32 and 16,528.93 is: 22,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.66 : 39,278.32 = 16,528.93 : x
  2. Step 2: Convert to fraction form
    28,462.66/39,278.32 = 16,528.93/x
  3. Step 3: Cross multiply
    28,462.66x = 39,278.32 × 16,528.93
  4. Step 4: Simplify right side
    28,462.66x = 649,228,601.80
  5. Step 5: Solve for x
    x = 649,228,601.80/28,462.66
  6. Step 6: Final answer
    x = 22,809.84

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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.