Home / 21,851.32-32,777.04-14,454.40

Finding the Fourth Proportional to 21,851.32, 32,777.04 and 14,454.40

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Solution

The fourth proportional to 21,851.32, 32,777.04 and 14,454.40 is: 21,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,851.32 : 32,777.04 = 14,454.40 : x
  2. Step 2: Convert to fraction form
    21,851.32/32,777.04 = 14,454.40/x
  3. Step 3: Cross multiply
    21,851.32x = 32,777.04 × 14,454.40
  4. Step 4: Simplify right side
    21,851.32x = 473,772,446.98
  5. Step 5: Solve for x
    x = 473,772,446.98/21,851.32
  6. Step 6: Final answer
    x = 21,681.64

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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.