Home / 28,064.42-41,968.74-20,953.63

Finding the Fourth Proportional to 28,064.42, 41,968.74 and 20,953.63

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Solution

The fourth proportional to 28,064.42, 41,968.74 and 20,953.63 is: 31,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.42 : 41,968.74 = 20,953.63 : x
  2. Step 2: Convert to fraction form
    28,064.42/41,968.74 = 20,953.63/x
  3. Step 3: Cross multiply
    28,064.42x = 41,968.74 × 20,953.63
  4. Step 4: Simplify right side
    28,064.42x = 879,397,449.53
  5. Step 5: Solve for x
    x = 879,397,449.53/28,064.42
  6. Step 6: Final answer
    x = 31,334.96

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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.