Home / 25,830.48-35,667.04-21,051.12

Finding the Fourth Proportional to 25,830.48, 35,667.04 and 21,051.12

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Solution

The fourth proportional to 25,830.48, 35,667.04 and 21,051.12 is: 29,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.48 : 35,667.04 = 21,051.12 : x
  2. Step 2: Convert to fraction form
    25,830.48/35,667.04 = 21,051.12/x
  3. Step 3: Cross multiply
    25,830.48x = 35,667.04 × 21,051.12
  4. Step 4: Simplify right side
    25,830.48x = 750,831,139.08
  5. Step 5: Solve for x
    x = 750,831,139.08/25,830.48
  6. Step 6: Final answer
    x = 29,067.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.