Home / 20,526.51-30,815.28-14,325.96

Finding the Fourth Proportional to 20,526.51, 30,815.28 and 14,325.96

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Solution

The fourth proportional to 20,526.51, 30,815.28 and 14,325.96 is: 21,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.51 : 30,815.28 = 14,325.96 : x
  2. Step 2: Convert to fraction form
    20,526.51/30,815.28 = 14,325.96/x
  3. Step 3: Cross multiply
    20,526.51x = 30,815.28 × 14,325.96
  4. Step 4: Simplify right side
    20,526.51x = 441,458,468.67
  5. Step 5: Solve for x
    x = 441,458,468.67/20,526.51
  6. Step 6: Final answer
    x = 21,506.75

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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.