Home / 23,500.28-32,430.84-12,889.92

Finding the Fourth Proportional to 23,500.28, 32,430.84 and 12,889.92

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Solution

The fourth proportional to 23,500.28, 32,430.84 and 12,889.92 is: 17,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,500.28 : 32,430.84 = 12,889.92 : x
  2. Step 2: Convert to fraction form
    23,500.28/32,430.84 = 12,889.92/x
  3. Step 3: Cross multiply
    23,500.28x = 32,430.84 × 12,889.92
  4. Step 4: Simplify right side
    23,500.28x = 418,030,933.13
  5. Step 5: Solve for x
    x = 418,030,933.13/23,500.28
  6. Step 6: Final answer
    x = 17,788.34

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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.