Home / 27,430.20-37,853.19-15,492.69

Finding the Fourth Proportional to 27,430.20, 37,853.19 and 15,492.69

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Solution

The fourth proportional to 27,430.20, 37,853.19 and 15,492.69 is: 21,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.20 : 37,853.19 = 15,492.69 : x
  2. Step 2: Convert to fraction form
    27,430.20/37,853.19 = 15,492.69/x
  3. Step 3: Cross multiply
    27,430.20x = 37,853.19 × 15,492.69
  4. Step 4: Simplify right side
    27,430.20x = 586,447,738.18
  5. Step 5: Solve for x
    x = 586,447,738.18/27,430.20
  6. Step 6: Final answer
    x = 21,379.64

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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.