Home / 21,655.32-32,482.92-17,718.72

Finding the Fourth Proportional to 21,655.32, 32,482.92 and 17,718.72

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Solution

The fourth proportional to 21,655.32, 32,482.92 and 17,718.72 is: 26,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.32 : 32,482.92 = 17,718.72 : x
  2. Step 2: Convert to fraction form
    21,655.32/32,482.92 = 17,718.72/x
  3. Step 3: Cross multiply
    21,655.32x = 32,482.92 × 17,718.72
  4. Step 4: Simplify right side
    21,655.32x = 575,555,764.26
  5. Step 5: Solve for x
    x = 575,555,764.26/21,655.32
  6. Step 6: Final answer
    x = 26,578.03

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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.