Home / 19,875.68-27,426.84-11,492.72

Finding the Fourth Proportional to 19,875.68, 27,426.84 and 11,492.72

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Solution

The fourth proportional to 19,875.68, 27,426.84 and 11,492.72 is: 15,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.68 : 27,426.84 = 11,492.72 : x
  2. Step 2: Convert to fraction form
    19,875.68/27,426.84 = 11,492.72/x
  3. Step 3: Cross multiply
    19,875.68x = 27,426.84 × 11,492.72
  4. Step 4: Simplify right side
    19,875.68x = 315,208,992.60
  5. Step 5: Solve for x
    x = 315,208,992.60/19,875.68
  6. Step 6: Final answer
    x = 15,859.03

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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.