Home / 32,774.36-45,228.45-18,627.20

Finding the Fourth Proportional to 32,774.36, 45,228.45 and 18,627.20

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Solution

The fourth proportional to 32,774.36, 45,228.45 and 18,627.20 is: 25,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,774.36 : 45,228.45 = 18,627.20 : x
  2. Step 2: Convert to fraction form
    32,774.36/45,228.45 = 18,627.20/x
  3. Step 3: Cross multiply
    32,774.36x = 45,228.45 × 18,627.20
  4. Step 4: Simplify right side
    32,774.36x = 842,479,397.16
  5. Step 5: Solve for x
    x = 842,479,397.16/32,774.36
  6. Step 6: Final answer
    x = 25,705.45

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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.