Home / 25,876.15-38,812.86-8,345.98

Finding the Fourth Proportional to 25,876.15, 38,812.86 and 8,345.98

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Solution

The fourth proportional to 25,876.15, 38,812.86 and 8,345.98 is: 12,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,876.15 : 38,812.86 = 8,345.98 : x
  2. Step 2: Convert to fraction form
    25,876.15/38,812.86 = 8,345.98/x
  3. Step 3: Cross multiply
    25,876.15x = 38,812.86 × 8,345.98
  4. Step 4: Simplify right side
    25,876.15x = 323,931,256.27
  5. Step 5: Solve for x
    x = 323,931,256.27/25,876.15
  6. Step 6: Final answer
    x = 12,518.53

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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.