Home / 21,444.51-32,155.52-8,962.23

Finding the Fourth Proportional to 21,444.51, 32,155.52 and 8,962.23

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Solution

The fourth proportional to 21,444.51, 32,155.52 and 8,962.23 is: 13,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.51 : 32,155.52 = 8,962.23 : x
  2. Step 2: Convert to fraction form
    21,444.51/32,155.52 = 8,962.23/x
  3. Step 3: Cross multiply
    21,444.51x = 32,155.52 × 8,962.23
  4. Step 4: Simplify right side
    21,444.51x = 288,185,121.20
  5. Step 5: Solve for x
    x = 288,185,121.20/21,444.51
  6. Step 6: Final answer
    x = 13,438.64

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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.