Home / 21,675.23-32,513.51-5,880.20

Finding the Fourth Proportional to 21,675.23, 32,513.51 and 5,880.20

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Solution

The fourth proportional to 21,675.23, 32,513.51 and 5,880.20 is: 8,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675.23 : 32,513.51 = 5,880.20 : x
  2. Step 2: Convert to fraction form
    21,675.23/32,513.51 = 5,880.20/x
  3. Step 3: Cross multiply
    21,675.23x = 32,513.51 × 5,880.20
  4. Step 4: Simplify right side
    21,675.23x = 191,185,939.07
  5. Step 5: Solve for x
    x = 191,185,939.07/21,675.23
  6. Step 6: Final answer
    x = 8,820.48

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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.