Home / 27,888.58-38,486.03-15,141.51

Finding the Fourth Proportional to 27,888.58, 38,486.03 and 15,141.51

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Solution

The fourth proportional to 27,888.58, 38,486.03 and 15,141.51 is: 20,895.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.58 : 38,486.03 = 15,141.51 : x
  2. Step 2: Convert to fraction form
    27,888.58/38,486.03 = 15,141.51/x
  3. Step 3: Cross multiply
    27,888.58x = 38,486.03 × 15,141.51
  4. Step 4: Simplify right side
    27,888.58x = 582,736,695.65
  5. Step 5: Solve for x
    x = 582,736,695.65/27,888.58
  6. Step 6: Final answer
    x = 20,895.17

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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.