Home / 28,157.90-38,862.28-16,058.40

Finding the Fourth Proportional to 28,157.90, 38,862.28 and 16,058.40

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Solution

The fourth proportional to 28,157.90, 38,862.28 and 16,058.40 is: 22,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,157.90 : 38,862.28 = 16,058.40 : x
  2. Step 2: Convert to fraction form
    28,157.90/38,862.28 = 16,058.40/x
  3. Step 3: Cross multiply
    28,157.90x = 38,862.28 × 16,058.40
  4. Step 4: Simplify right side
    28,157.90x = 624,066,037.15
  5. Step 5: Solve for x
    x = 624,066,037.15/28,157.90
  6. Step 6: Final answer
    x = 22,163.09

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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.