Home / 25,873.60-38,810.40-7,405.60

Finding the Fourth Proportional to 25,873.60, 38,810.40 and 7,405.60

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Solution

The fourth proportional to 25,873.60, 38,810.40 and 7,405.60 is: 11,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,873.60 : 38,810.40 = 7,405.60 : x
  2. Step 2: Convert to fraction form
    25,873.60/38,810.40 = 7,405.60/x
  3. Step 3: Cross multiply
    25,873.60x = 38,810.40 × 7,405.60
  4. Step 4: Simplify right side
    25,873.60x = 287,414,298.24
  5. Step 5: Solve for x
    x = 287,414,298.24/25,873.60
  6. Step 6: Final answer
    x = 11,108.40

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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.