Home / 35,393.20-48,841.20-20,857.24

Finding the Fourth Proportional to 35,393.20, 48,841.20 and 20,857.24

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Solution

The fourth proportional to 35,393.20, 48,841.20 and 20,857.24 is: 28,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,393.20 : 48,841.20 = 20,857.24 : x
  2. Step 2: Convert to fraction form
    35,393.20/48,841.20 = 20,857.24/x
  3. Step 3: Cross multiply
    35,393.20x = 48,841.20 × 20,857.24
  4. Step 4: Simplify right side
    35,393.20x = 1,018,692,630.29
  5. Step 5: Solve for x
    x = 1,018,692,630.29/35,393.20
  6. Step 6: Final answer
    x = 28,782.16

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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.