Home / 27,899.09-38,501.01-15,323.84

Finding the Fourth Proportional to 27,899.09, 38,501.01 and 15,323.84

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Solution

The fourth proportional to 27,899.09, 38,501.01 and 15,323.84 is: 21,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.09 : 38,501.01 = 15,323.84 : x
  2. Step 2: Convert to fraction form
    27,899.09/38,501.01 = 15,323.84/x
  3. Step 3: Cross multiply
    27,899.09x = 38,501.01 × 15,323.84
  4. Step 4: Simplify right side
    27,899.09x = 589,983,124.57
  5. Step 5: Solve for x
    x = 589,983,124.57/27,899.09
  6. Step 6: Final answer
    x = 21,147.04

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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.