Home / 27,763.65-38,313.50-15,826.59

Finding the Fourth Proportional to 27,763.65, 38,313.50 and 15,826.59

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Solution

The fourth proportional to 27,763.65, 38,313.50 and 15,826.59 is: 21,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.65 : 38,313.50 = 15,826.59 : x
  2. Step 2: Convert to fraction form
    27,763.65/38,313.50 = 15,826.59/x
  3. Step 3: Cross multiply
    27,763.65x = 38,313.50 × 15,826.59
  4. Step 4: Simplify right side
    27,763.65x = 606,371,976.83
  5. Step 5: Solve for x
    x = 606,371,976.83/27,763.65
  6. Step 6: Final answer
    x = 21,840.50

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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.