Home / 27,589.30-38,070.59-15,487.01

Finding the Fourth Proportional to 27,589.30, 38,070.59 and 15,487.01

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Solution

The fourth proportional to 27,589.30, 38,070.59 and 15,487.01 is: 21,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.30 : 38,070.59 = 15,487.01 : x
  2. Step 2: Convert to fraction form
    27,589.30/38,070.59 = 15,487.01/x
  3. Step 3: Cross multiply
    27,589.30x = 38,070.59 × 15,487.01
  4. Step 4: Simplify right side
    27,589.30x = 589,599,456.40
  5. Step 5: Solve for x
    x = 589,599,456.40/27,589.30
  6. Step 6: Final answer
    x = 21,370.59

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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.