Home / 21,346.72-32,020.08-7,492.48

Finding the Fourth Proportional to 21,346.72, 32,020.08 and 7,492.48

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Solution

The fourth proportional to 21,346.72, 32,020.08 and 7,492.48 is: 11,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,346.72 : 32,020.08 = 7,492.48 : x
  2. Step 2: Convert to fraction form
    21,346.72/32,020.08 = 7,492.48/x
  3. Step 3: Cross multiply
    21,346.72x = 32,020.08 × 7,492.48
  4. Step 4: Simplify right side
    21,346.72x = 239,909,809.00
  5. Step 5: Solve for x
    x = 239,909,809.00/21,346.72
  6. Step 6: Final answer
    x = 11,238.72

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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.