Home / 21,501.04-32,248.48-8,855.32

Finding the Fourth Proportional to 21,501.04, 32,248.48 and 8,855.32

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Solution

The fourth proportional to 21,501.04, 32,248.48 and 8,855.32 is: 13,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,501.04 : 32,248.48 = 8,855.32 : x
  2. Step 2: Convert to fraction form
    21,501.04/32,248.48 = 8,855.32/x
  3. Step 3: Cross multiply
    21,501.04x = 32,248.48 × 8,855.32
  4. Step 4: Simplify right side
    21,501.04x = 285,570,609.91
  5. Step 5: Solve for x
    x = 285,570,609.91/21,501.04
  6. Step 6: Final answer
    x = 13,281.71

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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.