Home / 28,202.40-38,937.22-17,607.60

Finding the Fourth Proportional to 28,202.40, 38,937.22 and 17,607.60

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Solution

The fourth proportional to 28,202.40, 38,937.22 and 17,607.60 is: 24,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.40 : 38,937.22 = 17,607.60 : x
  2. Step 2: Convert to fraction form
    28,202.40/38,937.22 = 17,607.60/x
  3. Step 3: Cross multiply
    28,202.40x = 38,937.22 × 17,607.60
  4. Step 4: Simplify right side
    28,202.40x = 685,590,994.87
  5. Step 5: Solve for x
    x = 685,590,994.87/28,202.40
  6. Step 6: Final answer
    x = 24,309.67

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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.