Home / 27,802.90-41,700.30-8,079.40

Finding the Fourth Proportional to 27,802.90, 41,700.30 and 8,079.40

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Solution

The fourth proportional to 27,802.90, 41,700.30 and 8,079.40 is: 12,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.90 : 41,700.30 = 8,079.40 : x
  2. Step 2: Convert to fraction form
    27,802.90/41,700.30 = 8,079.40/x
  3. Step 3: Cross multiply
    27,802.90x = 41,700.30 × 8,079.40
  4. Step 4: Simplify right side
    27,802.90x = 336,913,403.82
  5. Step 5: Solve for x
    x = 336,913,403.82/27,802.90
  6. Step 6: Final answer
    x = 12,117.92

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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.