Home / 26,386.86-39,582.36-7,667.21

Finding the Fourth Proportional to 26,386.86, 39,582.36 and 7,667.21

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Solution

The fourth proportional to 26,386.86, 39,582.36 and 7,667.21 is: 11,501.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,386.86 : 39,582.36 = 7,667.21 : x
  2. Step 2: Convert to fraction form
    26,386.86/39,582.36 = 7,667.21/x
  3. Step 3: Cross multiply
    26,386.86x = 39,582.36 × 7,667.21
  4. Step 4: Simplify right side
    26,386.86x = 303,486,068.50
  5. Step 5: Solve for x
    x = 303,486,068.50/26,386.86
  6. Step 6: Final answer
    x = 11,501.41

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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.