Home / 28,805.52-39,751.38-16,058.55

Finding the Fourth Proportional to 28,805.52, 39,751.38 and 16,058.55

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Solution

The fourth proportional to 28,805.52, 39,751.38 and 16,058.55 is: 22,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,805.52 : 39,751.38 = 16,058.55 : x
  2. Step 2: Convert to fraction form
    28,805.52/39,751.38 = 16,058.55/x
  3. Step 3: Cross multiply
    28,805.52x = 39,751.38 × 16,058.55
  4. Step 4: Simplify right side
    28,805.52x = 638,349,523.30
  5. Step 5: Solve for x
    x = 638,349,523.30/28,805.52
  6. Step 6: Final answer
    x = 22,160.67

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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.