Home / 30,893.04-42,662.64-26,390.58

Finding the Fourth Proportional to 30,893.04, 42,662.64 and 26,390.58

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Solution

The fourth proportional to 30,893.04, 42,662.64 and 26,390.58 is: 36,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893.04 : 42,662.64 = 26,390.58 : x
  2. Step 2: Convert to fraction form
    30,893.04/42,662.64 = 26,390.58/x
  3. Step 3: Cross multiply
    30,893.04x = 42,662.64 × 26,390.58
  4. Step 4: Simplify right side
    30,893.04x = 1,125,891,813.93
  5. Step 5: Solve for x
    x = 1,125,891,813.93/30,893.04
  6. Step 6: Final answer
    x = 36,444.84

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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.