Home / 28,933.72-39,929.28-16,186.48

Finding the Fourth Proportional to 28,933.72, 39,929.28 and 16,186.48

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Solution

The fourth proportional to 28,933.72, 39,929.28 and 16,186.48 is: 22,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.72 : 39,929.28 = 16,186.48 : x
  2. Step 2: Convert to fraction form
    28,933.72/39,929.28 = 16,186.48/x
  3. Step 3: Cross multiply
    28,933.72x = 39,929.28 × 16,186.48
  4. Step 4: Simplify right side
    28,933.72x = 646,314,492.13
  5. Step 5: Solve for x
    x = 646,314,492.13/28,933.72
  6. Step 6: Final answer
    x = 22,337.76

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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.