Home / 21,509.60-32,264.40-14,112.32

Finding the Fourth Proportional to 21,509.60, 32,264.40 and 14,112.32

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Solution

The fourth proportional to 21,509.60, 32,264.40 and 14,112.32 is: 21,168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509.60 : 32,264.40 = 14,112.32 : x
  2. Step 2: Convert to fraction form
    21,509.60/32,264.40 = 14,112.32/x
  3. Step 3: Cross multiply
    21,509.60x = 32,264.40 × 14,112.32
  4. Step 4: Simplify right side
    21,509.60x = 455,325,537.41
  5. Step 5: Solve for x
    x = 455,325,537.41/21,509.60
  6. Step 6: Final answer
    x = 21,168.48

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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.