Home / 21,352.08-32,027.72-12,528.76

Finding the Fourth Proportional to 21,352.08, 32,027.72 and 12,528.76

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Solution

The fourth proportional to 21,352.08, 32,027.72 and 12,528.76 is: 18,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.08 : 32,027.72 = 12,528.76 : x
  2. Step 2: Convert to fraction form
    21,352.08/32,027.72 = 12,528.76/x
  3. Step 3: Cross multiply
    21,352.08x = 32,027.72 × 12,528.76
  4. Step 4: Simplify right side
    21,352.08x = 401,267,617.23
  5. Step 5: Solve for x
    x = 401,267,617.23/21,352.08
  6. Step 6: Final answer
    x = 18,792.91

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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.