Home / 28,933.20-39,927.60-16,358.40

Finding the Fourth Proportional to 28,933.20, 39,927.60 and 16,358.40

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Solution

The fourth proportional to 28,933.20, 39,927.60 and 16,358.40 is: 22,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.20 : 39,927.60 = 16,358.40 : x
  2. Step 2: Convert to fraction form
    28,933.20/39,927.60 = 16,358.40/x
  3. Step 3: Cross multiply
    28,933.20x = 39,927.60 × 16,358.40
  4. Step 4: Simplify right side
    28,933.20x = 653,151,651.84
  5. Step 5: Solve for x
    x = 653,151,651.84/28,933.20
  6. Step 6: Final answer
    x = 22,574.47

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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.