Home / 28,824.32-39,777.92-16,248.96

Finding the Fourth Proportional to 28,824.32, 39,777.92 and 16,248.96

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Solution

The fourth proportional to 28,824.32, 39,777.92 and 16,248.96 is: 22,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.32 : 39,777.92 = 16,248.96 : x
  2. Step 2: Convert to fraction form
    28,824.32/39,777.92 = 16,248.96/x
  3. Step 3: Cross multiply
    28,824.32x = 39,777.92 × 16,248.96
  4. Step 4: Simplify right side
    28,824.32x = 646,349,830.96
  5. Step 5: Solve for x
    x = 646,349,830.96/28,824.32
  6. Step 6: Final answer
    x = 22,423.77

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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.