Home / 25,603.40-35,315.40-22,240.35

Finding the Fourth Proportional to 25,603.40, 35,315.40 and 22,240.35

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Solution

The fourth proportional to 25,603.40, 35,315.40 and 22,240.35 is: 30,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.40 : 35,315.40 = 22,240.35 : x
  2. Step 2: Convert to fraction form
    25,603.40/35,315.40 = 22,240.35/x
  3. Step 3: Cross multiply
    25,603.40x = 35,315.40 × 22,240.35
  4. Step 4: Simplify right side
    25,603.40x = 785,426,856.39
  5. Step 5: Solve for x
    x = 785,426,856.39/25,603.40
  6. Step 6: Final answer
    x = 30,676.66

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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.