Home / 20,088.76-27,713.58-14,124.28

Finding the Fourth Proportional to 20,088.76, 27,713.58 and 14,124.28

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Solution

The fourth proportional to 20,088.76, 27,713.58 and 14,124.28 is: 19,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.76 : 27,713.58 = 14,124.28 : x
  2. Step 2: Convert to fraction form
    20,088.76/27,713.58 = 14,124.28/x
  3. Step 3: Cross multiply
    20,088.76x = 27,713.58 × 14,124.28
  4. Step 4: Simplify right side
    20,088.76x = 391,434,363.72
  5. Step 5: Solve for x
    x = 391,434,363.72/20,088.76
  6. Step 6: Final answer
    x = 19,485.24

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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.