Home / 26,365.40-39,541.89-7,640.50

Finding the Fourth Proportional to 26,365.40, 39,541.89 and 7,640.50

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Solution

The fourth proportional to 26,365.40, 39,541.89 and 7,640.50 is: 11,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,365.40 : 39,541.89 = 7,640.50 : x
  2. Step 2: Convert to fraction form
    26,365.40/39,541.89 = 7,640.50/x
  3. Step 3: Cross multiply
    26,365.40x = 39,541.89 × 7,640.50
  4. Step 4: Simplify right side
    26,365.40x = 302,119,612.84
  5. Step 5: Solve for x
    x = 302,119,612.84/26,365.40
  6. Step 6: Final answer
    x = 11,458.94

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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.