Home / 28,476.36-42,806.73-26,421.94

Finding the Fourth Proportional to 28,476.36, 42,806.73 and 26,421.94

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Solution

The fourth proportional to 28,476.36, 42,806.73 and 26,421.94 is: 39,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.36 : 42,806.73 = 26,421.94 : x
  2. Step 2: Convert to fraction form
    28,476.36/42,806.73 = 26,421.94/x
  3. Step 3: Cross multiply
    28,476.36x = 42,806.73 × 26,421.94
  4. Step 4: Simplify right side
    28,476.36x = 1,131,036,851.66
  5. Step 5: Solve for x
    x = 1,131,036,851.66/28,476.36
  6. Step 6: Final answer
    x = 39,718.45

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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.