Home / 20,225.27-30,300.88-14,664.80

Finding the Fourth Proportional to 20,225.27, 30,300.88 and 14,664.80

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Solution

The fourth proportional to 20,225.27, 30,300.88 and 14,664.80 is: 21,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.27 : 30,300.88 = 14,664.80 : x
  2. Step 2: Convert to fraction form
    20,225.27/30,300.88 = 14,664.80/x
  3. Step 3: Cross multiply
    20,225.27x = 30,300.88 × 14,664.80
  4. Step 4: Simplify right side
    20,225.27x = 444,356,345.02
  5. Step 5: Solve for x
    x = 444,356,345.02/20,225.27
  6. Step 6: Final answer
    x = 21,970.35

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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.