Home / 26,955.80-40,433.70-26,518.40

Finding the Fourth Proportional to 26,955.80, 40,433.70 and 26,518.40

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Solution

The fourth proportional to 26,955.80, 40,433.70 and 26,518.40 is: 39,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,955.80 : 40,433.70 = 26,518.40 : x
  2. Step 2: Convert to fraction form
    26,955.80/40,433.70 = 26,518.40/x
  3. Step 3: Cross multiply
    26,955.80x = 40,433.70 × 26,518.40
  4. Step 4: Simplify right side
    26,955.80x = 1,072,237,030.08
  5. Step 5: Solve for x
    x = 1,072,237,030.08/26,955.80
  6. Step 6: Final answer
    x = 39,777.60

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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.