Home / 27,820.16-41,701.08-10,278.80

Finding the Fourth Proportional to 27,820.16, 41,701.08 and 10,278.80

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Solution

The fourth proportional to 27,820.16, 41,701.08 and 10,278.80 is: 15,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.16 : 41,701.08 = 10,278.80 : x
  2. Step 2: Convert to fraction form
    27,820.16/41,701.08 = 10,278.80/x
  3. Step 3: Cross multiply
    27,820.16x = 41,701.08 × 10,278.80
  4. Step 4: Simplify right side
    27,820.16x = 428,637,061.10
  5. Step 5: Solve for x
    x = 428,637,061.10/27,820.16
  6. Step 6: Final answer
    x = 15,407.43

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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.