Home / 28,058.04-38,719.50-16,121.07

Finding the Fourth Proportional to 28,058.04, 38,719.50 and 16,121.07

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Solution

The fourth proportional to 28,058.04, 38,719.50 and 16,121.07 is: 22,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.04 : 38,719.50 = 16,121.07 : x
  2. Step 2: Convert to fraction form
    28,058.04/38,719.50 = 16,121.07/x
  3. Step 3: Cross multiply
    28,058.04x = 38,719.50 × 16,121.07
  4. Step 4: Simplify right side
    28,058.04x = 624,199,769.87
  5. Step 5: Solve for x
    x = 624,199,769.87/28,058.04
  6. Step 6: Final answer
    x = 22,246.73

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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.