Home / 27,888.10-38,471.30-17,805.94

Finding the Fourth Proportional to 27,888.10, 38,471.30 and 17,805.94

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Solution

The fourth proportional to 27,888.10, 38,471.30 and 17,805.94 is: 24,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.10 : 38,471.30 = 17,805.94 : x
  2. Step 2: Convert to fraction form
    27,888.10/38,471.30 = 17,805.94/x
  3. Step 3: Cross multiply
    27,888.10x = 38,471.30 × 17,805.94
  4. Step 4: Simplify right side
    27,888.10x = 685,017,541.09
  5. Step 5: Solve for x
    x = 685,017,541.09/27,888.10
  6. Step 6: Final answer
    x = 24,563.08

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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.