Home / 26,985.79-40,478.67-7,263.83

Finding the Fourth Proportional to 26,985.79, 40,478.67 and 7,263.83

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Solution

The fourth proportional to 26,985.79, 40,478.67 and 7,263.83 is: 10,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.79 : 40,478.67 = 7,263.83 : x
  2. Step 2: Convert to fraction form
    26,985.79/40,478.67 = 7,263.83/x
  3. Step 3: Cross multiply
    26,985.79x = 40,478.67 × 7,263.83
  4. Step 4: Simplify right side
    26,985.79x = 294,030,177.51
  5. Step 5: Solve for x
    x = 294,030,177.51/26,985.79
  6. Step 6: Final answer
    x = 10,895.74

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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.