Home / 21,928.12-32,902.97-10,242.16

Finding the Fourth Proportional to 21,928.12, 32,902.97 and 10,242.16

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Solution

The fourth proportional to 21,928.12, 32,902.97 and 10,242.16 is: 15,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928.12 : 32,902.97 = 10,242.16 : x
  2. Step 2: Convert to fraction form
    21,928.12/32,902.97 = 10,242.16/x
  3. Step 3: Cross multiply
    21,928.12x = 32,902.97 × 10,242.16
  4. Step 4: Simplify right side
    21,928.12x = 336,997,483.22
  5. Step 5: Solve for x
    x = 336,997,483.22/21,928.12
  6. Step 6: Final answer
    x = 15,368.28

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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.