Home / 26,453.28-39,678.84-10,870.50

Finding the Fourth Proportional to 26,453.28, 39,678.84 and 10,870.50

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Solution

The fourth proportional to 26,453.28, 39,678.84 and 10,870.50 is: 16,305.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,453.28 : 39,678.84 = 10,870.50 : x
  2. Step 2: Convert to fraction form
    26,453.28/39,678.84 = 10,870.50/x
  3. Step 3: Cross multiply
    26,453.28x = 39,678.84 × 10,870.50
  4. Step 4: Simplify right side
    26,453.28x = 431,328,830.22
  5. Step 5: Solve for x
    x = 431,328,830.22/26,453.28
  6. Step 6: Final answer
    x = 16,305.31

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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.