Home / 38,574.55-57,886.40-25,780.60

Finding the Fourth Proportional to 38,574.55, 57,886.40 and 25,780.60

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Solution

The fourth proportional to 38,574.55, 57,886.40 and 25,780.60 is: 38,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.55 : 57,886.40 = 25,780.60 : x
  2. Step 2: Convert to fraction form
    38,574.55/57,886.40 = 25,780.60/x
  3. Step 3: Cross multiply
    38,574.55x = 57,886.40 × 25,780.60
  4. Step 4: Simplify right side
    38,574.55x = 1,492,345,994.94
  5. Step 5: Solve for x
    x = 1,492,345,994.94/38,574.55
  6. Step 6: Final answer
    x = 38,687.32

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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.