Home / 28,888.06-39,863.05-16,623.86

Finding the Fourth Proportional to 28,888.06, 39,863.05 and 16,623.86

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Solution

The fourth proportional to 28,888.06, 39,863.05 and 16,623.86 is: 22,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.06 : 39,863.05 = 16,623.86 : x
  2. Step 2: Convert to fraction form
    28,888.06/39,863.05 = 16,623.86/x
  3. Step 3: Cross multiply
    28,888.06x = 39,863.05 × 16,623.86
  4. Step 4: Simplify right side
    28,888.06x = 662,677,679.25
  5. Step 5: Solve for x
    x = 662,677,679.25/28,888.06
  6. Step 6: Final answer
    x = 22,939.50

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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.