Home / 26,411.87-39,617.51-6,421.48

Finding the Fourth Proportional to 26,411.87, 39,617.51 and 6,421.48

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Solution

The fourth proportional to 26,411.87, 39,617.51 and 6,421.48 is: 9,632.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,411.87 : 39,617.51 = 6,421.48 : x
  2. Step 2: Convert to fraction form
    26,411.87/39,617.51 = 6,421.48/x
  3. Step 3: Cross multiply
    26,411.87x = 39,617.51 × 6,421.48
  4. Step 4: Simplify right side
    26,411.87x = 254,402,817.92
  5. Step 5: Solve for x
    x = 254,402,817.92/26,411.87
  6. Step 6: Final answer
    x = 9,632.14

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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.