Home / 17,816.40-26,746.20-17,686.80

Finding the Fourth Proportional to 17,816.40, 26,746.20 and 17,686.80

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Solution

The fourth proportional to 17,816.40, 26,746.20 and 17,686.80 is: 26,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.40 : 26,746.20 = 17,686.80 : x
  2. Step 2: Convert to fraction form
    17,816.40/26,746.20 = 17,686.80/x
  3. Step 3: Cross multiply
    17,816.40x = 26,746.20 × 17,686.80
  4. Step 4: Simplify right side
    17,816.40x = 473,054,690.16
  5. Step 5: Solve for x
    x = 473,054,690.16/17,816.40
  6. Step 6: Final answer
    x = 26,551.64

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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.