Home / 28,058.55-38,722.69-16,126.64

Finding the Fourth Proportional to 28,058.55, 38,722.69 and 16,126.64

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Solution

The fourth proportional to 28,058.55, 38,722.69 and 16,126.64 is: 22,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.55 : 38,722.69 = 16,126.64 : x
  2. Step 2: Convert to fraction form
    28,058.55/38,722.69 = 16,126.64/x
  3. Step 3: Cross multiply
    28,058.55x = 38,722.69 × 16,126.64
  4. Step 4: Simplify right side
    28,058.55x = 624,466,881.46
  5. Step 5: Solve for x
    x = 624,466,881.46/28,058.55
  6. Step 6: Final answer
    x = 22,255.85

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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.