Home / 21,946.55-32,920.63-10,256.63

Finding the Fourth Proportional to 21,946.55, 32,920.63 and 10,256.63

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Solution

The fourth proportional to 21,946.55, 32,920.63 and 10,256.63 is: 15,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.55 : 32,920.63 = 10,256.63 : x
  2. Step 2: Convert to fraction form
    21,946.55/32,920.63 = 10,256.63/x
  3. Step 3: Cross multiply
    21,946.55x = 32,920.63 × 10,256.63
  4. Step 4: Simplify right side
    21,946.55x = 337,654,531.03
  5. Step 5: Solve for x
    x = 337,654,531.03/21,946.55
  6. Step 6: Final answer
    x = 15,385.32

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1.5x scale

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.