Home / 20,670.24-28,476.72-14,371.68

Finding the Fourth Proportional to 20,670.24, 28,476.72 and 14,371.68

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Solution

The fourth proportional to 20,670.24, 28,476.72 and 14,371.68 is: 19,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,670.24 : 28,476.72 = 14,371.68 : x
  2. Step 2: Convert to fraction form
    20,670.24/28,476.72 = 14,371.68/x
  3. Step 3: Cross multiply
    20,670.24x = 28,476.72 × 14,371.68
  4. Step 4: Simplify right side
    20,670.24x = 409,258,307.29
  5. Step 5: Solve for x
    x = 409,258,307.29/20,670.24
  6. Step 6: Final answer
    x = 19,799.40

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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.