Home / 21,529.70-32,307.10-9,048.76

Finding the Fourth Proportional to 21,529.70, 32,307.10 and 9,048.76

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Solution

The fourth proportional to 21,529.70, 32,307.10 and 9,048.76 is: 13,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529.70 : 32,307.10 = 9,048.76 : x
  2. Step 2: Convert to fraction form
    21,529.70/32,307.10 = 9,048.76/x
  3. Step 3: Cross multiply
    21,529.70x = 32,307.10 × 9,048.76
  4. Step 4: Simplify right side
    21,529.70x = 292,339,323.43
  5. Step 5: Solve for x
    x = 292,339,323.43/21,529.70
  6. Step 6: Final answer
    x = 13,578.42

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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.