Home / 17,799.68-26,666.40-13,885.28

Finding the Fourth Proportional to 17,799.68, 26,666.40 and 13,885.28

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Solution

The fourth proportional to 17,799.68, 26,666.40 and 13,885.28 is: 20,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,799.68 : 26,666.40 = 13,885.28 : x
  2. Step 2: Convert to fraction form
    17,799.68/26,666.40 = 13,885.28/x
  3. Step 3: Cross multiply
    17,799.68x = 26,666.40 × 13,885.28
  4. Step 4: Simplify right side
    17,799.68x = 370,270,430.59
  5. Step 5: Solve for x
    x = 370,270,430.59/17,799.68
  6. Step 6: Final answer
    x = 20,802.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.