Home / 26,298.87-36,268.40-20,557.08

Finding the Fourth Proportional to 26,298.87, 36,268.40 and 20,557.08

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Solution

The fourth proportional to 26,298.87, 36,268.40 and 20,557.08 is: 28,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298.87 : 36,268.40 = 20,557.08 : x
  2. Step 2: Convert to fraction form
    26,298.87/36,268.40 = 20,557.08/x
  3. Step 3: Cross multiply
    26,298.87x = 36,268.40 × 20,557.08
  4. Step 4: Simplify right side
    26,298.87x = 745,572,297.49
  5. Step 5: Solve for x
    x = 745,572,297.49/26,298.87
  6. Step 6: Final answer
    x = 28,349.98

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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.