Home / 27,278.02-40,924.59-12,474.46

Finding the Fourth Proportional to 27,278.02, 40,924.59 and 12,474.46

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Solution

The fourth proportional to 27,278.02, 40,924.59 and 12,474.46 is: 18,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.02 : 40,924.59 = 12,474.46 : x
  2. Step 2: Convert to fraction form
    27,278.02/40,924.59 = 12,474.46/x
  3. Step 3: Cross multiply
    27,278.02x = 40,924.59 × 12,474.46
  4. Step 4: Simplify right side
    27,278.02x = 510,512,160.97
  5. Step 5: Solve for x
    x = 510,512,160.97/27,278.02
  6. Step 6: Final answer
    x = 18,715.15

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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.