Home / 28,341.70-39,112.48-15,596.34

Finding the Fourth Proportional to 28,341.70, 39,112.48 and 15,596.34

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Solution

The fourth proportional to 28,341.70, 39,112.48 and 15,596.34 is: 21,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.70 : 39,112.48 = 15,596.34 : x
  2. Step 2: Convert to fraction form
    28,341.70/39,112.48 = 15,596.34/x
  3. Step 3: Cross multiply
    28,341.70x = 39,112.48 × 15,596.34
  4. Step 4: Simplify right side
    28,341.70x = 610,011,536.32
  5. Step 5: Solve for x
    x = 610,011,536.32/28,341.70
  6. Step 6: Final answer
    x = 21,523.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.