Home / 21,437.64-32,157.87-5,855.25

Finding the Fourth Proportional to 21,437.64, 32,157.87 and 5,855.25

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Solution

The fourth proportional to 21,437.64, 32,157.87 and 5,855.25 is: 8,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.64 : 32,157.87 = 5,855.25 : x
  2. Step 2: Convert to fraction form
    21,437.64/32,157.87 = 5,855.25/x
  3. Step 3: Cross multiply
    21,437.64x = 32,157.87 × 5,855.25
  4. Step 4: Simplify right side
    21,437.64x = 188,292,368.32
  5. Step 5: Solve for x
    x = 188,292,368.32/21,437.64
  6. Step 6: Final answer
    x = 8,783.26

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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.