Home / 21,465.60-32,210.94-8,984.58

Finding the Fourth Proportional to 21,465.60, 32,210.94 and 8,984.58

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Solution

The fourth proportional to 21,465.60, 32,210.94 and 8,984.58 is: 13,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.60 : 32,210.94 = 8,984.58 : x
  2. Step 2: Convert to fraction form
    21,465.60/32,210.94 = 8,984.58/x
  3. Step 3: Cross multiply
    21,465.60x = 32,210.94 × 8,984.58
  4. Step 4: Simplify right side
    21,465.60x = 289,401,767.31
  5. Step 5: Solve for x
    x = 289,401,767.31/21,465.60
  6. Step 6: Final answer
    x = 13,482.12

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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.