Home / 38,271.34-57,376.40-19,285.75

Finding the Fourth Proportional to 38,271.34, 57,376.40 and 19,285.75

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Solution

The fourth proportional to 38,271.34, 57,376.40 and 19,285.75 is: 28,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,271.34 : 57,376.40 = 19,285.75 : x
  2. Step 2: Convert to fraction form
    38,271.34/57,376.40 = 19,285.75/x
  3. Step 3: Cross multiply
    38,271.34x = 57,376.40 × 19,285.75
  4. Step 4: Simplify right side
    38,271.34x = 1,106,546,667.33
  5. Step 5: Solve for x
    x = 1,106,546,667.33/38,271.34
  6. Step 6: Final answer
    x = 28,913.20

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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.