Home / 27,804.12-38,366.04-15,866.76

Finding the Fourth Proportional to 27,804.12, 38,366.04 and 15,866.76

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Solution

The fourth proportional to 27,804.12, 38,366.04 and 15,866.76 is: 21,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.12 : 38,366.04 = 15,866.76 : x
  2. Step 2: Convert to fraction form
    27,804.12/38,366.04 = 15,866.76/x
  3. Step 3: Cross multiply
    27,804.12x = 38,366.04 × 15,866.76
  4. Step 4: Simplify right side
    27,804.12x = 608,744,748.83
  5. Step 5: Solve for x
    x = 608,744,748.83/27,804.12
  6. Step 6: Final answer
    x = 21,894.05

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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.