Home / 27,675.90-38,205.09-18,750.51

Finding the Fourth Proportional to 27,675.90, 38,205.09 and 18,750.51

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Solution

The fourth proportional to 27,675.90, 38,205.09 and 18,750.51 is: 25,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,675.90 : 38,205.09 = 18,750.51 : x
  2. Step 2: Convert to fraction form
    27,675.90/38,205.09 = 18,750.51/x
  3. Step 3: Cross multiply
    27,675.90x = 38,205.09 × 18,750.51
  4. Step 4: Simplify right side
    27,675.90x = 716,364,922.10
  5. Step 5: Solve for x
    x = 716,364,922.10/27,675.90
  6. Step 6: Final answer
    x = 25,884.07

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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.