Home / 28,933.23-39,928.05-16,840.92

Finding the Fourth Proportional to 28,933.23, 39,928.05 and 16,840.92

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Solution

The fourth proportional to 28,933.23, 39,928.05 and 16,840.92 is: 23,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.23 : 39,928.05 = 16,840.92 : x
  2. Step 2: Convert to fraction form
    28,933.23/39,928.05 = 16,840.92/x
  3. Step 3: Cross multiply
    28,933.23x = 39,928.05 × 16,840.92
  4. Step 4: Simplify right side
    28,933.23x = 672,425,095.81
  5. Step 5: Solve for x
    x = 672,425,095.81/28,933.23
  6. Step 6: Final answer
    x = 23,240.58

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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.