Home / 28,537.70-42,841.65-18,007.70

Finding the Fourth Proportional to 28,537.70, 42,841.65 and 18,007.70

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Solution

The fourth proportional to 28,537.70, 42,841.65 and 18,007.70 is: 27,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.70 : 42,841.65 = 18,007.70 : x
  2. Step 2: Convert to fraction form
    28,537.70/42,841.65 = 18,007.70/x
  3. Step 3: Cross multiply
    28,537.70x = 42,841.65 × 18,007.70
  4. Step 4: Simplify right side
    28,537.70x = 771,479,580.71
  5. Step 5: Solve for x
    x = 771,479,580.71/28,537.70
  6. Step 6: Final answer
    x = 27,033.70

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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.