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Finding the Fourth Proportional to 28,842.24, 43,256.88 and 10,374.24

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Solution

The fourth proportional to 28,842.24, 43,256.88 and 10,374.24 is: 15,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.24 : 43,256.88 = 10,374.24 : x
  2. Step 2: Convert to fraction form
    28,842.24/43,256.88 = 10,374.24/x
  3. Step 3: Cross multiply
    28,842.24x = 43,256.88 × 10,374.24
  4. Step 4: Simplify right side
    28,842.24x = 448,757,254.77
  5. Step 5: Solve for x
    x = 448,757,254.77/28,842.24
  6. Step 6: Final answer
    x = 15,559.03

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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.