Home / 28,925.74-43,390.13-8,150.86

Finding the Fourth Proportional to 28,925.74, 43,390.13 and 8,150.86

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Solution

The fourth proportional to 28,925.74, 43,390.13 and 8,150.86 is: 12,226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.74 : 43,390.13 = 8,150.86 : x
  2. Step 2: Convert to fraction form
    28,925.74/43,390.13 = 8,150.86/x
  3. Step 3: Cross multiply
    28,925.74x = 43,390.13 × 8,150.86
  4. Step 4: Simplify right side
    28,925.74x = 353,666,875.01
  5. Step 5: Solve for x
    x = 353,666,875.01/28,925.74
  6. Step 6: Final answer
    x = 12,226.72

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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.