Home / 23,307.64-34,782.30-20,816.44

Finding the Fourth Proportional to 23,307.64, 34,782.30 and 20,816.44

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Solution

The fourth proportional to 23,307.64, 34,782.30 and 20,816.44 is: 31,064.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,307.64 : 34,782.30 = 20,816.44 : x
  2. Step 2: Convert to fraction form
    23,307.64/34,782.30 = 20,816.44/x
  3. Step 3: Cross multiply
    23,307.64x = 34,782.30 × 20,816.44
  4. Step 4: Simplify right side
    23,307.64x = 724,043,661.01
  5. Step 5: Solve for x
    x = 724,043,661.01/23,307.64
  6. Step 6: Final answer
    x = 31,064.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.