Home / 26,703.20-40,005.60-15,615.20

Finding the Fourth Proportional to 26,703.20, 40,005.60 and 15,615.20

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Solution

The fourth proportional to 26,703.20, 40,005.60 and 15,615.20 is: 23,394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,703.20 : 40,005.60 = 15,615.20 : x
  2. Step 2: Convert to fraction form
    26,703.20/40,005.60 = 15,615.20/x
  3. Step 3: Cross multiply
    26,703.20x = 40,005.60 × 15,615.20
  4. Step 4: Simplify right side
    26,703.20x = 624,695,445.12
  5. Step 5: Solve for x
    x = 624,695,445.12/26,703.20
  6. Step 6: Final answer
    x = 23,394.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.