Home / 27,907.20-38,501.04-15,964.16

Finding the Fourth Proportional to 27,907.20, 38,501.04 and 15,964.16

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Solution

The fourth proportional to 27,907.20, 38,501.04 and 15,964.16 is: 22,024.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.20 : 38,501.04 = 15,964.16 : x
  2. Step 2: Convert to fraction form
    27,907.20/38,501.04 = 15,964.16/x
  3. Step 3: Cross multiply
    27,907.20x = 38,501.04 × 15,964.16
  4. Step 4: Simplify right side
    27,907.20x = 614,636,762.73
  5. Step 5: Solve for x
    x = 614,636,762.73/27,907.20
  6. Step 6: Final answer
    x = 22,024.31

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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.