Home / 26,478.02-39,718.40-11,687.07

Finding the Fourth Proportional to 26,478.02, 39,718.40 and 11,687.07

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Solution

The fourth proportional to 26,478.02, 39,718.40 and 11,687.07 is: 17,531.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.02 : 39,718.40 = 11,687.07 : x
  2. Step 2: Convert to fraction form
    26,478.02/39,718.40 = 11,687.07/x
  3. Step 3: Cross multiply
    26,478.02x = 39,718.40 × 11,687.07
  4. Step 4: Simplify right side
    26,478.02x = 464,191,662.65
  5. Step 5: Solve for x
    x = 464,191,662.65/26,478.02
  6. Step 6: Final answer
    x = 17,531.21

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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.