Home / 21,529.83-32,307.27-9,048.90

Finding the Fourth Proportional to 21,529.83, 32,307.27 and 9,048.90

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Solution

The fourth proportional to 21,529.83, 32,307.27 and 9,048.90 is: 13,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529.83 : 32,307.27 = 9,048.90 : x
  2. Step 2: Convert to fraction form
    21,529.83/32,307.27 = 9,048.90/x
  3. Step 3: Cross multiply
    21,529.83x = 32,307.27 × 9,048.90
  4. Step 4: Simplify right side
    21,529.83x = 292,345,255.50
  5. Step 5: Solve for x
    x = 292,345,255.50/21,529.83
  6. Step 6: Final answer
    x = 13,578.61

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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.