Home / 21,999.60-32,999.40-10,153.35

Finding the Fourth Proportional to 21,999.60, 32,999.40 and 10,153.35

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Solution

The fourth proportional to 21,999.60, 32,999.40 and 10,153.35 is: 15,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999.60 : 32,999.40 = 10,153.35 : x
  2. Step 2: Convert to fraction form
    21,999.60/32,999.40 = 10,153.35/x
  3. Step 3: Cross multiply
    21,999.60x = 32,999.40 × 10,153.35
  4. Step 4: Simplify right side
    21,999.60x = 335,054,457.99
  5. Step 5: Solve for x
    x = 335,054,457.99/21,999.60
  6. Step 6: Final answer
    x = 15,230.03

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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.