Home / 28,244.68-42,341.10-9,763.72

Finding the Fourth Proportional to 28,244.68, 42,341.10 and 9,763.72

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Solution

The fourth proportional to 28,244.68, 42,341.10 and 9,763.72 is: 14,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.68 : 42,341.10 = 9,763.72 : x
  2. Step 2: Convert to fraction form
    28,244.68/42,341.10 = 9,763.72/x
  3. Step 3: Cross multiply
    28,244.68x = 42,341.10 × 9,763.72
  4. Step 4: Simplify right side
    28,244.68x = 413,406,644.89
  5. Step 5: Solve for x
    x = 413,406,644.89/28,244.68
  6. Step 6: Final answer
    x = 14,636.62

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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.