Home / 25,250.80-34,840.13-14,638.40

Finding the Fourth Proportional to 25,250.80, 34,840.13 and 14,638.40

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Solution

The fourth proportional to 25,250.80, 34,840.13 and 14,638.40 is: 20,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,250.80 : 34,840.13 = 14,638.40 : x
  2. Step 2: Convert to fraction form
    25,250.80/34,840.13 = 14,638.40/x
  3. Step 3: Cross multiply
    25,250.80x = 34,840.13 × 14,638.40
  4. Step 4: Simplify right side
    25,250.80x = 510,003,758.99
  5. Step 5: Solve for x
    x = 510,003,758.99/25,250.80
  6. Step 6: Final answer
    x = 20,197.53

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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.