Home / 21,488.37-29,652.46-11,927.50

Finding the Fourth Proportional to 21,488.37, 29,652.46 and 11,927.50

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Solution

The fourth proportional to 21,488.37, 29,652.46 and 11,927.50 is: 16,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488.37 : 29,652.46 = 11,927.50 : x
  2. Step 2: Convert to fraction form
    21,488.37/29,652.46 = 11,927.50/x
  3. Step 3: Cross multiply
    21,488.37x = 29,652.46 × 11,927.50
  4. Step 4: Simplify right side
    21,488.37x = 353,679,612.70
  5. Step 5: Solve for x
    x = 353,679,612.70/21,488.37
  6. Step 6: Final answer
    x = 16,459.12

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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.