Home / 31,835.60-47,633.32-28,602

Finding the Fourth Proportional to 31,835.60, 47,633.32 and 28,602

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Solution

The fourth proportional to 31,835.60, 47,633.32 and 28,602 is: 42,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,835.60 : 47,633.32 = 28,602 : x
  2. Step 2: Convert to fraction form
    31,835.60/47,633.32 = 28,602/x
  3. Step 3: Cross multiply
    31,835.60x = 47,633.32 × 28,602
  4. Step 4: Simplify right side
    31,835.60x = 1,362,408,218.64
  5. Step 5: Solve for x
    x = 1,362,408,218.64/31,835.60
  6. Step 6: Final answer
    x = 42,795.12

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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.