Home / 27,957.11-38,581.12-15,210.37

Finding the Fourth Proportional to 27,957.11, 38,581.12 and 15,210.37

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Solution

The fourth proportional to 27,957.11, 38,581.12 and 15,210.37 is: 20,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957.11 : 38,581.12 = 15,210.37 : x
  2. Step 2: Convert to fraction form
    27,957.11/38,581.12 = 15,210.37/x
  3. Step 3: Cross multiply
    27,957.11x = 38,581.12 × 15,210.37
  4. Step 4: Simplify right side
    27,957.11x = 586,833,032.77
  5. Step 5: Solve for x
    x = 586,833,032.77/27,957.11
  6. Step 6: Final answer
    x = 20,990.47

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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.