Home / 26,364.09-39,543.21-6,642.65

Finding the Fourth Proportional to 26,364.09, 39,543.21 and 6,642.65

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Solution

The fourth proportional to 26,364.09, 39,543.21 and 6,642.65 is: 9,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,364.09 : 39,543.21 = 6,642.65 : x
  2. Step 2: Convert to fraction form
    26,364.09/39,543.21 = 6,642.65/x
  3. Step 3: Cross multiply
    26,364.09x = 39,543.21 × 6,642.65
  4. Step 4: Simplify right side
    26,364.09x = 262,671,506.19
  5. Step 5: Solve for x
    x = 262,671,506.19/26,364.09
  6. Step 6: Final answer
    x = 9,963.23

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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.