Home / 28,068.67-42,110.18-8,347.19

Finding the Fourth Proportional to 28,068.67, 42,110.18 and 8,347.19

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Solution

The fourth proportional to 28,068.67, 42,110.18 and 8,347.19 is: 12,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.67 : 42,110.18 = 8,347.19 : x
  2. Step 2: Convert to fraction form
    28,068.67/42,110.18 = 8,347.19/x
  3. Step 3: Cross multiply
    28,068.67x = 42,110.18 × 8,347.19
  4. Step 4: Simplify right side
    28,068.67x = 351,501,631.66
  5. Step 5: Solve for x
    x = 351,501,631.66/28,068.67
  6. Step 6: Final answer
    x = 12,522.92

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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.