Home / 21,764.30-32,635.51-10,085.72

Finding the Fourth Proportional to 21,764.30, 32,635.51 and 10,085.72

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Solution

The fourth proportional to 21,764.30, 32,635.51 and 10,085.72 is: 15,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.30 : 32,635.51 = 10,085.72 : x
  2. Step 2: Convert to fraction form
    21,764.30/32,635.51 = 10,085.72/x
  3. Step 3: Cross multiply
    21,764.30x = 32,635.51 × 10,085.72
  4. Step 4: Simplify right side
    21,764.30x = 329,152,427.53
  5. Step 5: Solve for x
    x = 329,152,427.53/21,764.30
  6. Step 6: Final answer
    x = 15,123.51

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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.