Home / 28,559.79-39,333.20-26,343.63

Finding the Fourth Proportional to 28,559.79, 39,333.20 and 26,343.63

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Solution

The fourth proportional to 28,559.79, 39,333.20 and 26,343.63 is: 36,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.79 : 39,333.20 = 26,343.63 : x
  2. Step 2: Convert to fraction form
    28,559.79/39,333.20 = 26,343.63/x
  3. Step 3: Cross multiply
    28,559.79x = 39,333.20 × 26,343.63
  4. Step 4: Simplify right side
    28,559.79x = 1,036,179,135.80
  5. Step 5: Solve for x
    x = 1,036,179,135.80/28,559.79
  6. Step 6: Final answer
    x = 36,281.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.