Home / 23,900.40-32,981.72-13,289.80

Finding the Fourth Proportional to 23,900.40, 32,981.72 and 13,289.80

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Solution

The fourth proportional to 23,900.40, 32,981.72 and 13,289.80 is: 18,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,900.40 : 32,981.72 = 13,289.80 : x
  2. Step 2: Convert to fraction form
    23,900.40/32,981.72 = 13,289.80/x
  3. Step 3: Cross multiply
    23,900.40x = 32,981.72 × 13,289.80
  4. Step 4: Simplify right side
    23,900.40x = 438,320,462.46
  5. Step 5: Solve for x
    x = 438,320,462.46/23,900.40
  6. Step 6: Final answer
    x = 18,339.46

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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.