Home / 28,048.01-38,685.94-19,079.55

Finding the Fourth Proportional to 28,048.01, 38,685.94 and 19,079.55

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Solution

The fourth proportional to 28,048.01, 38,685.94 and 19,079.55 is: 26,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.01 : 38,685.94 = 19,079.55 : x
  2. Step 2: Convert to fraction form
    28,048.01/38,685.94 = 19,079.55/x
  3. Step 3: Cross multiply
    28,048.01x = 38,685.94 × 19,079.55
  4. Step 4: Simplify right side
    28,048.01x = 738,110,278.83
  5. Step 5: Solve for x
    x = 738,110,278.83/28,048.01
  6. Step 6: Final answer
    x = 26,315.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.