Home / 27,800.99-38,365.30-15,054.19

Finding the Fourth Proportional to 27,800.99, 38,365.30 and 15,054.19

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Solution

The fourth proportional to 27,800.99, 38,365.30 and 15,054.19 is: 20,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800.99 : 38,365.30 = 15,054.19 : x
  2. Step 2: Convert to fraction form
    27,800.99/38,365.30 = 15,054.19/x
  3. Step 3: Cross multiply
    27,800.99x = 38,365.30 × 15,054.19
  4. Step 4: Simplify right side
    27,800.99x = 577,558,248.51
  5. Step 5: Solve for x
    x = 577,558,248.51/27,800.99
  6. Step 6: Final answer
    x = 20,774.74

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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.