Home / 28,346.31-39,116.16-15,596.91

Finding the Fourth Proportional to 28,346.31, 39,116.16 and 15,596.91

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Solution

The fourth proportional to 28,346.31, 39,116.16 and 15,596.91 is: 21,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.31 : 39,116.16 = 15,596.91 : x
  2. Step 2: Convert to fraction form
    28,346.31/39,116.16 = 15,596.91/x
  3. Step 3: Cross multiply
    28,346.31x = 39,116.16 × 15,596.91
  4. Step 4: Simplify right side
    28,346.31x = 610,091,227.07
  5. Step 5: Solve for x
    x = 610,091,227.07/28,346.31
  6. Step 6: Final answer
    x = 21,522.77

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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.