Home / 25,368.28-38,063.36-13,678.80

Finding the Fourth Proportional to 25,368.28, 38,063.36 and 13,678.80

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Solution

The fourth proportional to 25,368.28, 38,063.36 and 13,678.80 is: 20,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,368.28 : 38,063.36 = 13,678.80 : x
  2. Step 2: Convert to fraction form
    25,368.28/38,063.36 = 13,678.80/x
  3. Step 3: Cross multiply
    25,368.28x = 38,063.36 × 13,678.80
  4. Step 4: Simplify right side
    25,368.28x = 520,661,088.77
  5. Step 5: Solve for x
    x = 520,661,088.77/25,368.28
  6. Step 6: Final answer
    x = 20,524.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.