Home / 27,331.63-37,720.35-16,000.45

Finding the Fourth Proportional to 27,331.63, 37,720.35 and 16,000.45

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Solution

The fourth proportional to 27,331.63, 37,720.35 and 16,000.45 is: 22,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.63 : 37,720.35 = 16,000.45 : x
  2. Step 2: Convert to fraction form
    27,331.63/37,720.35 = 16,000.45/x
  3. Step 3: Cross multiply
    27,331.63x = 37,720.35 × 16,000.45
  4. Step 4: Simplify right side
    27,331.63x = 603,542,574.16
  5. Step 5: Solve for x
    x = 603,542,574.16/27,331.63
  6. Step 6: Final answer
    x = 22,082.20

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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.