Home / 23,899.86-32,981.73-13,289.49

Finding the Fourth Proportional to 23,899.86, 32,981.73 and 13,289.49

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Solution

The fourth proportional to 23,899.86, 32,981.73 and 13,289.49 is: 18,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,899.86 : 32,981.73 = 13,289.49 : x
  2. Step 2: Convert to fraction form
    23,899.86/32,981.73 = 13,289.49/x
  3. Step 3: Cross multiply
    23,899.86x = 32,981.73 × 13,289.49
  4. Step 4: Simplify right side
    23,899.86x = 438,310,371.02
  5. Step 5: Solve for x
    x = 438,310,371.02/23,899.86
  6. Step 6: Final answer
    x = 18,339.45

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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.