Home / 21,665.32-32,485.74-14,273.80

Finding the Fourth Proportional to 21,665.32, 32,485.74 and 14,273.80

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Solution

The fourth proportional to 21,665.32, 32,485.74 and 14,273.80 is: 21,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,665.32 : 32,485.74 = 14,273.80 : x
  2. Step 2: Convert to fraction form
    21,665.32/32,485.74 = 14,273.80/x
  3. Step 3: Cross multiply
    21,665.32x = 32,485.74 × 14,273.80
  4. Step 4: Simplify right side
    21,665.32x = 463,694,955.61
  5. Step 5: Solve for x
    x = 463,694,955.61/21,665.32
  6. Step 6: Final answer
    x = 21,402.64

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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.