Home / 28,037.34-38,690.46-15,462.09

Finding the Fourth Proportional to 28,037.34, 38,690.46 and 15,462.09

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Solution

The fourth proportional to 28,037.34, 38,690.46 and 15,462.09 is: 21,337.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.34 : 38,690.46 = 15,462.09 : x
  2. Step 2: Convert to fraction form
    28,037.34/38,690.46 = 15,462.09/x
  3. Step 3: Cross multiply
    28,037.34x = 38,690.46 × 15,462.09
  4. Step 4: Simplify right side
    28,037.34x = 598,235,374.66
  5. Step 5: Solve for x
    x = 598,235,374.66/28,037.34
  6. Step 6: Final answer
    x = 21,337.09

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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.