Home / 39,928.48-55,123.80-26,518.08

Finding the Fourth Proportional to 39,928.48, 55,123.80 and 26,518.08

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Solution

The fourth proportional to 39,928.48, 55,123.80 and 26,518.08 is: 36,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.48 : 55,123.80 = 26,518.08 : x
  2. Step 2: Convert to fraction form
    39,928.48/55,123.80 = 26,518.08/x
  3. Step 3: Cross multiply
    39,928.48x = 55,123.80 × 26,518.08
  4. Step 4: Simplify right side
    39,928.48x = 1,461,777,338.30
  5. Step 5: Solve for x
    x = 1,461,777,338.30/39,928.48
  6. Step 6: Final answer
    x = 36,609.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.