Home / 23,898.85-32,981.07-13,289.20

Finding the Fourth Proportional to 23,898.85, 32,981.07 and 13,289.20

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Solution

The fourth proportional to 23,898.85, 32,981.07 and 13,289.20 is: 18,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,898.85 : 32,981.07 = 13,289.20 : x
  2. Step 2: Convert to fraction form
    23,898.85/32,981.07 = 13,289.20/x
  3. Step 3: Cross multiply
    23,898.85x = 32,981.07 × 13,289.20
  4. Step 4: Simplify right side
    23,898.85x = 438,292,002.83
  5. Step 5: Solve for x
    x = 438,292,002.83/23,898.85
  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.