Home / 26,465.47-39,689.39-7,746.57

Finding the Fourth Proportional to 26,465.47, 39,689.39 and 7,746.57

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Solution

The fourth proportional to 26,465.47, 39,689.39 and 7,746.57 is: 11,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,465.47 : 39,689.39 = 7,746.57 : x
  2. Step 2: Convert to fraction form
    26,465.47/39,689.39 = 7,746.57/x
  3. Step 3: Cross multiply
    26,465.47x = 39,689.39 × 7,746.57
  4. Step 4: Simplify right side
    26,465.47x = 307,456,657.26
  5. Step 5: Solve for x
    x = 307,456,657.26/26,465.47
  6. Step 6: Final answer
    x = 11,617.28

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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.