Home / 28,013.57-42,029.16-8,292.29

Finding the Fourth Proportional to 28,013.57, 42,029.16 and 8,292.29

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Solution

The fourth proportional to 28,013.57, 42,029.16 and 8,292.29 is: 12,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,013.57 : 42,029.16 = 8,292.29 : x
  2. Step 2: Convert to fraction form
    28,013.57/42,029.16 = 8,292.29/x
  3. Step 3: Cross multiply
    28,013.57x = 42,029.16 × 8,292.29
  4. Step 4: Simplify right side
    28,013.57x = 348,518,088.25
  5. Step 5: Solve for x
    x = 348,518,088.25/28,013.57
  6. Step 6: Final answer
    x = 12,441.05

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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.