Home / 19,419.12-26,799.48-14,695.20

Finding the Fourth Proportional to 19,419.12, 26,799.48 and 14,695.20

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Solution

The fourth proportional to 19,419.12, 26,799.48 and 14,695.20 is: 20,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.12 : 26,799.48 = 14,695.20 : x
  2. Step 2: Convert to fraction form
    19,419.12/26,799.48 = 14,695.20/x
  3. Step 3: Cross multiply
    19,419.12x = 26,799.48 × 14,695.20
  4. Step 4: Simplify right side
    19,419.12x = 393,823,718.50
  5. Step 5: Solve for x
    x = 393,823,718.50/19,419.12
  6. Step 6: Final answer
    x = 20,280.20

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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.