Home / 28,079.63-42,169.64-26,950.84

Finding the Fourth Proportional to 28,079.63, 42,169.64 and 26,950.84

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Solution

The fourth proportional to 28,079.63, 42,169.64 and 26,950.84 is: 40,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.63 : 42,169.64 = 26,950.84 : x
  2. Step 2: Convert to fraction form
    28,079.63/42,169.64 = 26,950.84/x
  3. Step 3: Cross multiply
    28,079.63x = 42,169.64 × 26,950.84
  4. Step 4: Simplify right side
    28,079.63x = 1,136,506,980.32
  5. Step 5: Solve for x
    x = 1,136,506,980.32/28,079.63
  6. Step 6: Final answer
    x = 40,474.43

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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.