Home / 26,079.12-35,989.20-14,142.60

Finding the Fourth Proportional to 26,079.12, 35,989.20 and 14,142.60

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Solution

The fourth proportional to 26,079.12, 35,989.20 and 14,142.60 is: 19,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,079.12 : 35,989.20 = 14,142.60 : x
  2. Step 2: Convert to fraction form
    26,079.12/35,989.20 = 14,142.60/x
  3. Step 3: Cross multiply
    26,079.12x = 35,989.20 × 14,142.60
  4. Step 4: Simplify right side
    26,079.12x = 508,980,859.92
  5. Step 5: Solve for x
    x = 508,980,859.92/26,079.12
  6. Step 6: Final answer
    x = 19,516.80

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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.