Home / 27,899.64-38,502.54-15,323.58

Finding the Fourth Proportional to 27,899.64, 38,502.54 and 15,323.58

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Solution

The fourth proportional to 27,899.64, 38,502.54 and 15,323.58 is: 21,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.64 : 38,502.54 = 15,323.58 : x
  2. Step 2: Convert to fraction form
    27,899.64/38,502.54 = 15,323.58/x
  3. Step 3: Cross multiply
    27,899.64x = 38,502.54 × 15,323.58
  4. Step 4: Simplify right side
    27,899.64x = 589,996,751.89
  5. Step 5: Solve for x
    x = 589,996,751.89/27,899.64
  6. Step 6: Final answer
    x = 21,147.11

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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.