Home / 28,310.66-42,463.51-9,590.28

Finding the Fourth Proportional to 28,310.66, 42,463.51 and 9,590.28

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Solution

The fourth proportional to 28,310.66, 42,463.51 and 9,590.28 is: 14,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.66 : 42,463.51 = 9,590.28 : x
  2. Step 2: Convert to fraction form
    28,310.66/42,463.51 = 9,590.28/x
  3. Step 3: Cross multiply
    28,310.66x = 42,463.51 × 9,590.28
  4. Step 4: Simplify right side
    28,310.66x = 407,236,767.47
  5. Step 5: Solve for x
    x = 407,236,767.47/28,310.66
  6. Step 6: Final answer
    x = 14,384.57

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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.