Home / 28,513.86-42,771.33-26,971.62

Finding the Fourth Proportional to 28,513.86, 42,771.33 and 26,971.62

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Solution

The fourth proportional to 28,513.86, 42,771.33 and 26,971.62 is: 40,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,513.86 : 42,771.33 = 26,971.62 : x
  2. Step 2: Convert to fraction form
    28,513.86/42,771.33 = 26,971.62/x
  3. Step 3: Cross multiply
    28,513.86x = 42,771.33 × 26,971.62
  4. Step 4: Simplify right side
    28,513.86x = 1,153,612,059.65
  5. Step 5: Solve for x
    x = 1,153,612,059.65/28,513.86
  6. Step 6: Final answer
    x = 40,457.94

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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.