Home / 21,341.60-32,017.20-6,551.20

Finding the Fourth Proportional to 21,341.60, 32,017.20 and 6,551.20

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Solution

The fourth proportional to 21,341.60, 32,017.20 and 6,551.20 is: 9,828.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,341.60 : 32,017.20 = 6,551.20 : x
  2. Step 2: Convert to fraction form
    21,341.60/32,017.20 = 6,551.20/x
  3. Step 3: Cross multiply
    21,341.60x = 32,017.20 × 6,551.20
  4. Step 4: Simplify right side
    21,341.60x = 209,751,080.64
  5. Step 5: Solve for x
    x = 209,751,080.64/21,341.60
  6. Step 6: Final answer
    x = 9,828.27

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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.