Home / 40,621.80-56,084.16-26,288.70

Finding the Fourth Proportional to 40,621.80, 56,084.16 and 26,288.70

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Solution

The fourth proportional to 40,621.80, 56,084.16 and 26,288.70 is: 36,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,621.80 : 56,084.16 = 26,288.70 : x
  2. Step 2: Convert to fraction form
    40,621.80/56,084.16 = 26,288.70/x
  3. Step 3: Cross multiply
    40,621.80x = 56,084.16 × 26,288.70
  4. Step 4: Simplify right side
    40,621.80x = 1,474,379,656.99
  5. Step 5: Solve for x
    x = 1,474,379,656.99/40,621.80
  6. Step 6: Final answer
    x = 36,295.28

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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.