Home / 21,444.48-32,258.88-18,403.20

Finding the Fourth Proportional to 21,444.48, 32,258.88 and 18,403.20

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Solution

The fourth proportional to 21,444.48, 32,258.88 and 18,403.20 is: 27,683.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.48 : 32,258.88 = 18,403.20 : x
  2. Step 2: Convert to fraction form
    21,444.48/32,258.88 = 18,403.20/x
  3. Step 3: Cross multiply
    21,444.48x = 32,258.88 × 18,403.20
  4. Step 4: Simplify right side
    21,444.48x = 593,666,620.42
  5. Step 5: Solve for x
    x = 593,666,620.42/21,444.48
  6. Step 6: Final answer
    x = 27,683.89

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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.