Home / 28,313.76-42,465.06-26,908.80

Finding the Fourth Proportional to 28,313.76, 42,465.06 and 26,908.80

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Solution

The fourth proportional to 28,313.76, 42,465.06 and 26,908.80 is: 40,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.76 : 42,465.06 = 26,908.80 : x
  2. Step 2: Convert to fraction form
    28,313.76/42,465.06 = 26,908.80/x
  3. Step 3: Cross multiply
    28,313.76x = 42,465.06 × 26,908.80
  4. Step 4: Simplify right side
    28,313.76x = 1,142,683,806.53
  5. Step 5: Solve for x
    x = 1,142,683,806.53/28,313.76
  6. Step 6: Final answer
    x = 40,357.90

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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.