Home / 27,430.85-41,147.69-8,712.35

Finding the Fourth Proportional to 27,430.85, 41,147.69 and 8,712.35

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Solution

The fourth proportional to 27,430.85, 41,147.69 and 8,712.35 is: 13,068.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.85 : 41,147.69 = 8,712.35 : x
  2. Step 2: Convert to fraction form
    27,430.85/41,147.69 = 8,712.35/x
  3. Step 3: Cross multiply
    27,430.85x = 41,147.69 × 8,712.35
  4. Step 4: Simplify right side
    27,430.85x = 358,492,827.67
  5. Step 5: Solve for x
    x = 358,492,827.67/27,430.85
  6. Step 6: Final answer
    x = 13,068.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.