Home / 27,763.23-38,312.37-15,187.17

Finding the Fourth Proportional to 27,763.23, 38,312.37 and 15,187.17

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Solution

The fourth proportional to 27,763.23, 38,312.37 and 15,187.17 is: 20,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,763.23 : 38,312.37 = 15,187.17 : x
  2. Step 2: Convert to fraction form
    27,763.23/38,312.37 = 15,187.17/x
  3. Step 3: Cross multiply
    27,763.23x = 38,312.37 × 15,187.17
  4. Step 4: Simplify right side
    27,763.23x = 581,856,476.29
  5. Step 5: Solve for x
    x = 581,856,476.29/27,763.23
  6. Step 6: Final answer
    x = 20,957.81

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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.