Home / 27,589.03-38,070.23-15,486.74

Finding the Fourth Proportional to 27,589.03, 38,070.23 and 15,486.74

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Solution

The fourth proportional to 27,589.03, 38,070.23 and 15,486.74 is: 21,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.03 : 38,070.23 = 15,486.74 : x
  2. Step 2: Convert to fraction form
    27,589.03/38,070.23 = 15,486.74/x
  3. Step 3: Cross multiply
    27,589.03x = 38,070.23 × 15,486.74
  4. Step 4: Simplify right side
    27,589.03x = 589,583,676.32
  5. Step 5: Solve for x
    x = 589,583,676.32/27,589.03
  6. Step 6: Final answer
    x = 21,370.22

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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.