Home / 23,901.66-32,980.41-13,291.02

Finding the Fourth Proportional to 23,901.66, 32,980.41 and 13,291.02

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Solution

The fourth proportional to 23,901.66, 32,980.41 and 13,291.02 is: 18,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,901.66 : 32,980.41 = 13,291.02 : x
  2. Step 2: Convert to fraction form
    23,901.66/32,980.41 = 13,291.02/x
  3. Step 3: Cross multiply
    23,901.66x = 32,980.41 × 13,291.02
  4. Step 4: Simplify right side
    23,901.66x = 438,343,288.92
  5. Step 5: Solve for x
    x = 438,343,288.92/23,901.66
  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.