Home / 25,408.24-35,070.78-16,455.40

Finding the Fourth Proportional to 25,408.24, 35,070.78 and 16,455.40

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Solution

The fourth proportional to 25,408.24, 35,070.78 and 16,455.40 is: 22,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,408.24 : 35,070.78 = 16,455.40 : x
  2. Step 2: Convert to fraction form
    25,408.24/35,070.78 = 16,455.40/x
  3. Step 3: Cross multiply
    25,408.24x = 35,070.78 × 16,455.40
  4. Step 4: Simplify right side
    25,408.24x = 577,103,713.21
  5. Step 5: Solve for x
    x = 577,103,713.21/25,408.24
  6. Step 6: Final answer
    x = 22,713.25

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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.