Home / 21,235.37-31,852.85-5,652.99

Finding the Fourth Proportional to 21,235.37, 31,852.85 and 5,652.99

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Solution

The fourth proportional to 21,235.37, 31,852.85 and 5,652.99 is: 8,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,235.37 : 31,852.85 = 5,652.99 : x
  2. Step 2: Convert to fraction form
    21,235.37/31,852.85 = 5,652.99/x
  3. Step 3: Cross multiply
    21,235.37x = 31,852.85 × 5,652.99
  4. Step 4: Simplify right side
    21,235.37x = 180,063,814.26
  5. Step 5: Solve for x
    x = 180,063,814.26/21,235.37
  6. Step 6: Final answer
    x = 8,479.43

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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.