Home / 26,298.12-39,369.40-15,878.28

Finding the Fourth Proportional to 26,298.12, 39,369.40 and 15,878.28

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Solution

The fourth proportional to 26,298.12, 39,369.40 and 15,878.28 is: 23,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298.12 : 39,369.40 = 15,878.28 : x
  2. Step 2: Convert to fraction form
    26,298.12/39,369.40 = 15,878.28/x
  3. Step 3: Cross multiply
    26,298.12x = 39,369.40 × 15,878.28
  4. Step 4: Simplify right side
    26,298.12x = 625,118,356.63
  5. Step 5: Solve for x
    x = 625,118,356.63/26,298.12
  6. Step 6: Final answer
    x = 23,770.46

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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.