Home / 26,386.84-36,409.22-15,206.68

Finding the Fourth Proportional to 26,386.84, 36,409.22 and 15,206.68

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Solution

The fourth proportional to 26,386.84, 36,409.22 and 15,206.68 is: 20,982.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,386.84 : 36,409.22 = 15,206.68 : x
  2. Step 2: Convert to fraction form
    26,386.84/36,409.22 = 15,206.68/x
  3. Step 3: Cross multiply
    26,386.84x = 36,409.22 × 15,206.68
  4. Step 4: Simplify right side
    26,386.84x = 553,663,357.59
  5. Step 5: Solve for x
    x = 553,663,357.59/26,386.84
  6. Step 6: Final answer
    x = 20,982.56

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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.