Home / 26,430.16-39,567.47-17,643.28

Finding the Fourth Proportional to 26,430.16, 39,567.47 and 17,643.28

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Solution

The fourth proportional to 26,430.16, 39,567.47 and 17,643.28 is: 26,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.16 : 39,567.47 = 17,643.28 : x
  2. Step 2: Convert to fraction form
    26,430.16/39,567.47 = 17,643.28/x
  3. Step 3: Cross multiply
    26,430.16x = 39,567.47 × 17,643.28
  4. Step 4: Simplify right side
    26,430.16x = 698,099,952.10
  5. Step 5: Solve for x
    x = 698,099,952.10/26,430.16
  6. Step 6: Final answer
    x = 26,413.01

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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.