Home / 25,088.40-34,622.40-13,758.93

Finding the Fourth Proportional to 25,088.40, 34,622.40 and 13,758.93

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Solution

The fourth proportional to 25,088.40, 34,622.40 and 13,758.93 is: 18,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,088.40 : 34,622.40 = 13,758.93 : x
  2. Step 2: Convert to fraction form
    25,088.40/34,622.40 = 13,758.93/x
  3. Step 3: Cross multiply
    25,088.40x = 34,622.40 × 13,758.93
  4. Step 4: Simplify right side
    25,088.40x = 476,367,178.03
  5. Step 5: Solve for x
    x = 476,367,178.03/25,088.40
  6. Step 6: Final answer
    x = 18,987.55

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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.