Home / 26,897.06-40,345.59-8,429.06

Finding the Fourth Proportional to 26,897.06, 40,345.59 and 8,429.06

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Solution

The fourth proportional to 26,897.06, 40,345.59 and 8,429.06 is: 12,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,897.06 : 40,345.59 = 8,429.06 : x
  2. Step 2: Convert to fraction form
    26,897.06/40,345.59 = 8,429.06/x
  3. Step 3: Cross multiply
    26,897.06x = 40,345.59 × 8,429.06
  4. Step 4: Simplify right side
    26,897.06x = 340,075,531.32
  5. Step 5: Solve for x
    x = 340,075,531.32/26,897.06
  6. Step 6: Final answer
    x = 12,643.59

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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.