Home / 38,274.40-57,346.80-18,510.40

Finding the Fourth Proportional to 38,274.40, 57,346.80 and 18,510.40

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Solution

The fourth proportional to 38,274.40, 57,346.80 and 18,510.40 is: 27,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,274.40 : 57,346.80 = 18,510.40 : x
  2. Step 2: Convert to fraction form
    38,274.40/57,346.80 = 18,510.40/x
  3. Step 3: Cross multiply
    38,274.40x = 57,346.80 × 18,510.40
  4. Step 4: Simplify right side
    38,274.40x = 1,061,512,206.72
  5. Step 5: Solve for x
    x = 1,061,512,206.72/38,274.40
  6. Step 6: Final answer
    x = 27,734.26

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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.