Home / 28,038.03-42,050.56-8,311.83

Finding the Fourth Proportional to 28,038.03, 42,050.56 and 8,311.83

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Solution

The fourth proportional to 28,038.03, 42,050.56 and 8,311.83 is: 12,465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,038.03 : 42,050.56 = 8,311.83 : x
  2. Step 2: Convert to fraction form
    28,038.03/42,050.56 = 8,311.83/x
  3. Step 3: Cross multiply
    28,038.03x = 42,050.56 × 8,311.83
  4. Step 4: Simplify right side
    28,038.03x = 349,517,064.57
  5. Step 5: Solve for x
    x = 349,517,064.57/28,038.03
  6. Step 6: Final answer
    x = 12,465.82

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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.