Home / 28,312.26-42,466.22-8,590.92

Finding the Fourth Proportional to 28,312.26, 42,466.22 and 8,590.92

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Solution

The fourth proportional to 28,312.26, 42,466.22 and 8,590.92 is: 12,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.26 : 42,466.22 = 8,590.92 : x
  2. Step 2: Convert to fraction form
    28,312.26/42,466.22 = 8,590.92/x
  3. Step 3: Cross multiply
    28,312.26x = 42,466.22 × 8,590.92
  4. Step 4: Simplify right side
    28,312.26x = 364,823,898.72
  5. Step 5: Solve for x
    x = 364,823,898.72/28,312.26
  6. Step 6: Final answer
    x = 12,885.72

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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.