Home / 21,435.28-32,152.92-5,853.32

Finding the Fourth Proportional to 21,435.28, 32,152.92 and 5,853.32

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Solution

The fourth proportional to 21,435.28, 32,152.92 and 5,853.32 is: 8,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435.28 : 32,152.92 = 5,853.32 : x
  2. Step 2: Convert to fraction form
    21,435.28/32,152.92 = 5,853.32/x
  3. Step 3: Cross multiply
    21,435.28x = 32,152.92 × 5,853.32
  4. Step 4: Simplify right side
    21,435.28x = 188,201,329.69
  5. Step 5: Solve for x
    x = 188,201,329.69/21,435.28
  6. Step 6: Final answer
    x = 8,779.98

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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.