Home / 19,980.84-27,562.50-14,021.40

Finding the Fourth Proportional to 19,980.84, 27,562.50 and 14,021.40

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Solution

The fourth proportional to 19,980.84, 27,562.50 and 14,021.40 is: 19,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.84 : 27,562.50 = 14,021.40 : x
  2. Step 2: Convert to fraction form
    19,980.84/27,562.50 = 14,021.40/x
  3. Step 3: Cross multiply
    19,980.84x = 27,562.50 × 14,021.40
  4. Step 4: Simplify right side
    19,980.84x = 386,464,837.50
  5. Step 5: Solve for x
    x = 386,464,837.50/19,980.84
  6. Step 6: Final answer
    x = 19,341.77

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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.