Home / 28,011.29-38,665.49-25,021.93

Finding the Fourth Proportional to 28,011.29, 38,665.49 and 25,021.93

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Solution

The fourth proportional to 28,011.29, 38,665.49 and 25,021.93 is: 34,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.29 : 38,665.49 = 25,021.93 : x
  2. Step 2: Convert to fraction form
    28,011.29/38,665.49 = 25,021.93/x
  3. Step 3: Cross multiply
    28,011.29x = 38,665.49 × 25,021.93
  4. Step 4: Simplify right side
    28,011.29x = 967,485,184.20
  5. Step 5: Solve for x
    x = 967,485,184.20/28,011.29
  6. Step 6: Final answer
    x = 34,539.12

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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.