Home / 28,662.48-39,587.70-26,140.14

Finding the Fourth Proportional to 28,662.48, 39,587.70 and 26,140.14

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Solution

The fourth proportional to 28,662.48, 39,587.70 and 26,140.14 is: 36,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,662.48 : 39,587.70 = 26,140.14 : x
  2. Step 2: Convert to fraction form
    28,662.48/39,587.70 = 26,140.14/x
  3. Step 3: Cross multiply
    28,662.48x = 39,587.70 × 26,140.14
  4. Step 4: Simplify right side
    28,662.48x = 1,034,828,020.28
  5. Step 5: Solve for x
    x = 1,034,828,020.28/28,662.48
  6. Step 6: Final answer
    x = 36,103.92

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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.