Home / 26,155.04-39,209.34-18,740.84

Finding the Fourth Proportional to 26,155.04, 39,209.34 and 18,740.84

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Solution

The fourth proportional to 26,155.04, 39,209.34 and 18,740.84 is: 28,094.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,155.04 : 39,209.34 = 18,740.84 : x
  2. Step 2: Convert to fraction form
    26,155.04/39,209.34 = 18,740.84/x
  3. Step 3: Cross multiply
    26,155.04x = 39,209.34 × 18,740.84
  4. Step 4: Simplify right side
    26,155.04x = 734,815,967.45
  5. Step 5: Solve for x
    x = 734,815,967.45/26,155.04
  6. Step 6: Final answer
    x = 28,094.62

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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.