Home / 23,465.43-32,386.01-15,422.40

Finding the Fourth Proportional to 23,465.43, 32,386.01 and 15,422.40

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Solution

The fourth proportional to 23,465.43, 32,386.01 and 15,422.40 is: 21,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,465.43 : 32,386.01 = 15,422.40 : x
  2. Step 2: Convert to fraction form
    23,465.43/32,386.01 = 15,422.40/x
  3. Step 3: Cross multiply
    23,465.43x = 32,386.01 × 15,422.40
  4. Step 4: Simplify right side
    23,465.43x = 499,469,923.51
  5. Step 5: Solve for x
    x = 499,469,923.51/23,465.43
  6. Step 6: Final answer
    x = 21,285.35

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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.