Home / 26,570.86-39,856.22-18,225.57

Finding the Fourth Proportional to 26,570.86, 39,856.22 and 18,225.57

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Solution

The fourth proportional to 26,570.86, 39,856.22 and 18,225.57 is: 27,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570.86 : 39,856.22 = 18,225.57 : x
  2. Step 2: Convert to fraction form
    26,570.86/39,856.22 = 18,225.57/x
  3. Step 3: Cross multiply
    26,570.86x = 39,856.22 × 18,225.57
  4. Step 4: Simplify right side
    26,570.86x = 726,402,327.55
  5. Step 5: Solve for x
    x = 726,402,327.55/26,570.86
  6. Step 6: Final answer
    x = 27,338.31

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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.