Home / 28,088.92-38,758.26-16,152.76

Finding the Fourth Proportional to 28,088.92, 38,758.26 and 16,152.76

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Solution

The fourth proportional to 28,088.92, 38,758.26 and 16,152.76 is: 22,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.92 : 38,758.26 = 16,152.76 : x
  2. Step 2: Convert to fraction form
    28,088.92/38,758.26 = 16,152.76/x
  3. Step 3: Cross multiply
    28,088.92x = 38,758.26 × 16,152.76
  4. Step 4: Simplify right side
    28,088.92x = 626,052,871.80
  5. Step 5: Solve for x
    x = 626,052,871.80/28,088.92
  6. Step 6: Final answer
    x = 22,288.25

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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.