Home / 32,863.41-45,335.70-21,528

Finding the Fourth Proportional to 32,863.41, 45,335.70 and 21,528

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Solution

The fourth proportional to 32,863.41, 45,335.70 and 21,528 is: 29,698.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,863.41 : 45,335.70 = 21,528 : x
  2. Step 2: Convert to fraction form
    32,863.41/45,335.70 = 21,528/x
  3. Step 3: Cross multiply
    32,863.41x = 45,335.70 × 21,528
  4. Step 4: Simplify right side
    32,863.41x = 975,986,949.60
  5. Step 5: Solve for x
    x = 975,986,949.60/32,863.41
  6. Step 6: Final answer
    x = 29,698.29

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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.