Home / 21,392.19-32,100.46-10,862.81

Finding the Fourth Proportional to 21,392.19, 32,100.46 and 10,862.81

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Solution

The fourth proportional to 21,392.19, 32,100.46 and 10,862.81 is: 16,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392.19 : 32,100.46 = 10,862.81 : x
  2. Step 2: Convert to fraction form
    21,392.19/32,100.46 = 10,862.81/x
  3. Step 3: Cross multiply
    21,392.19x = 32,100.46 × 10,862.81
  4. Step 4: Simplify right side
    21,392.19x = 348,701,274.19
  5. Step 5: Solve for x
    x = 348,701,274.19/21,392.19
  6. Step 6: Final answer
    x = 16,300.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.