Home / 28,410.16-39,207.36-15,835

Finding the Fourth Proportional to 28,410.16, 39,207.36 and 15,835

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Solution

The fourth proportional to 28,410.16, 39,207.36 and 15,835 is: 21,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.16 : 39,207.36 = 15,835 : x
  2. Step 2: Convert to fraction form
    28,410.16/39,207.36 = 15,835/x
  3. Step 3: Cross multiply
    28,410.16x = 39,207.36 × 15,835
  4. Step 4: Simplify right side
    28,410.16x = 620,848,545.60
  5. Step 5: Solve for x
    x = 620,848,545.60/28,410.16
  6. Step 6: Final answer
    x = 21,853.05

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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.