Home / 26,526.04-39,712.26-19,979.80

Finding the Fourth Proportional to 26,526.04, 39,712.26 and 19,979.80

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Solution

The fourth proportional to 26,526.04, 39,712.26 and 19,979.80 is: 29,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,526.04 : 39,712.26 = 19,979.80 : x
  2. Step 2: Convert to fraction form
    26,526.04/39,712.26 = 19,979.80/x
  3. Step 3: Cross multiply
    26,526.04x = 39,712.26 × 19,979.80
  4. Step 4: Simplify right side
    26,526.04x = 793,443,012.35
  5. Step 5: Solve for x
    x = 793,443,012.35/26,526.04
  6. Step 6: Final answer
    x = 29,911.85

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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.