Home / 27,310.92-37,689.84-15,373.32

Finding the Fourth Proportional to 27,310.92, 37,689.84 and 15,373.32

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Solution

The fourth proportional to 27,310.92, 37,689.84 and 15,373.32 is: 21,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.92 : 37,689.84 = 15,373.32 : x
  2. Step 2: Convert to fraction form
    27,310.92/37,689.84 = 15,373.32/x
  3. Step 3: Cross multiply
    27,310.92x = 37,689.84 × 15,373.32
  4. Step 4: Simplify right side
    27,310.92x = 579,417,971.07
  5. Step 5: Solve for x
    x = 579,417,971.07/27,310.92
  6. Step 6: Final answer
    x = 21,215.62

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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.