Home / 28,946.26-39,986.76-26,803

Finding the Fourth Proportional to 28,946.26, 39,986.76 and 26,803

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Solution

The fourth proportional to 28,946.26, 39,986.76 and 26,803 is: 37,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.26 : 39,986.76 = 26,803 : x
  2. Step 2: Convert to fraction form
    28,946.26/39,986.76 = 26,803/x
  3. Step 3: Cross multiply
    28,946.26x = 39,986.76 × 26,803
  4. Step 4: Simplify right side
    28,946.26x = 1,071,765,128.28
  5. Step 5: Solve for x
    x = 1,071,765,128.28/28,946.26
  6. Step 6: Final answer
    x = 37,026.03

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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.