Home / 27,313.04-37,695.58-15,378.70

Finding the Fourth Proportional to 27,313.04, 37,695.58 and 15,378.70

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Solution

The fourth proportional to 27,313.04, 37,695.58 and 15,378.70 is: 21,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313.04 : 37,695.58 = 15,378.70 : x
  2. Step 2: Convert to fraction form
    27,313.04/37,695.58 = 15,378.70/x
  3. Step 3: Cross multiply
    27,313.04x = 37,695.58 × 15,378.70
  4. Step 4: Simplify right side
    27,313.04x = 579,709,016.15
  5. Step 5: Solve for x
    x = 579,709,016.15/27,313.04
  6. Step 6: Final answer
    x = 21,224.62

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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.