Home / 25,875.40-38,811.73-8,345.23

Finding the Fourth Proportional to 25,875.40, 38,811.73 and 8,345.23

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Solution

The fourth proportional to 25,875.40, 38,811.73 and 8,345.23 is: 12,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,875.40 : 38,811.73 = 8,345.23 : x
  2. Step 2: Convert to fraction form
    25,875.40/38,811.73 = 8,345.23/x
  3. Step 3: Cross multiply
    25,875.40x = 38,811.73 × 8,345.23
  4. Step 4: Simplify right side
    25,875.40x = 323,892,734.77
  5. Step 5: Solve for x
    x = 323,892,734.77/25,875.40
  6. Step 6: Final answer
    x = 12,517.40

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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.