Home / 28,527.03-39,377.21-19,604.07

Finding the Fourth Proportional to 28,527.03, 39,377.21 and 19,604.07

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Solution

The fourth proportional to 28,527.03, 39,377.21 and 19,604.07 is: 27,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.03 : 39,377.21 = 19,604.07 : x
  2. Step 2: Convert to fraction form
    28,527.03/39,377.21 = 19,604.07/x
  3. Step 3: Cross multiply
    28,527.03x = 39,377.21 × 19,604.07
  4. Step 4: Simplify right side
    28,527.03x = 771,953,483.22
  5. Step 5: Solve for x
    x = 771,953,483.22/28,527.03
  6. Step 6: Final answer
    x = 27,060.42

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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.