Home / 23,430.48-32,334.01-12,820.09

Finding the Fourth Proportional to 23,430.48, 32,334.01 and 12,820.09

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Solution

The fourth proportional to 23,430.48, 32,334.01 and 12,820.09 is: 17,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.48 : 32,334.01 = 12,820.09 : x
  2. Step 2: Convert to fraction form
    23,430.48/32,334.01 = 12,820.09/x
  3. Step 3: Cross multiply
    23,430.48x = 32,334.01 × 12,820.09
  4. Step 4: Simplify right side
    23,430.48x = 414,524,918.26
  5. Step 5: Solve for x
    x = 414,524,918.26/23,430.48
  6. Step 6: Final answer
    x = 17,691.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.