Home / 28,623.72-39,493.26-16,521.24

Finding the Fourth Proportional to 28,623.72, 39,493.26 and 16,521.24

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Solution

The fourth proportional to 28,623.72, 39,493.26 and 16,521.24 is: 22,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,623.72 : 39,493.26 = 16,521.24 : x
  2. Step 2: Convert to fraction form
    28,623.72/39,493.26 = 16,521.24/x
  3. Step 3: Cross multiply
    28,623.72x = 39,493.26 × 16,521.24
  4. Step 4: Simplify right side
    28,623.72x = 652,477,626.84
  5. Step 5: Solve for x
    x = 652,477,626.84/28,623.72
  6. Step 6: Final answer
    x = 22,795.00

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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.