Home / 21,525.85-32,295.61-7,485.31

Finding the Fourth Proportional to 21,525.85, 32,295.61 and 7,485.31

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Solution

The fourth proportional to 21,525.85, 32,295.61 and 7,485.31 is: 11,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525.85 : 32,295.61 = 7,485.31 : x
  2. Step 2: Convert to fraction form
    21,525.85/32,295.61 = 7,485.31/x
  3. Step 3: Cross multiply
    21,525.85x = 32,295.61 × 7,485.31
  4. Step 4: Simplify right side
    21,525.85x = 241,742,702.22
  5. Step 5: Solve for x
    x = 241,742,702.22/21,525.85
  6. Step 6: Final answer
    x = 11,230.34

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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.