Home / 28,234.07-42,348.80-9,513.69

Finding the Fourth Proportional to 28,234.07, 42,348.80 and 9,513.69

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Solution

The fourth proportional to 28,234.07, 42,348.80 and 9,513.69 is: 14,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,234.07 : 42,348.80 = 9,513.69 : x
  2. Step 2: Convert to fraction form
    28,234.07/42,348.80 = 9,513.69/x
  3. Step 3: Cross multiply
    28,234.07x = 42,348.80 × 9,513.69
  4. Step 4: Simplify right side
    28,234.07x = 402,893,307.50
  5. Step 5: Solve for x
    x = 402,893,307.50/28,234.07
  6. Step 6: Final answer
    x = 14,269.76

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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.