Home / 27,888.91-38,473.19-18,465.37

Finding the Fourth Proportional to 27,888.91, 38,473.19 and 18,465.37

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Solution

The fourth proportional to 27,888.91, 38,473.19 and 18,465.37 is: 25,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.91 : 38,473.19 = 18,465.37 : x
  2. Step 2: Convert to fraction form
    27,888.91/38,473.19 = 18,465.37/x
  3. Step 3: Cross multiply
    27,888.91x = 38,473.19 × 18,465.37
  4. Step 4: Simplify right side
    27,888.91x = 710,421,596.10
  5. Step 5: Solve for x
    x = 710,421,596.10/27,888.91
  6. Step 6: Final answer
    x = 25,473.27

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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.