Home / 19,894.40-27,430.08-17,532.80

Finding the Fourth Proportional to 19,894.40, 27,430.08 and 17,532.80

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Solution

The fourth proportional to 19,894.40, 27,430.08 and 17,532.80 is: 24,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.40 : 27,430.08 = 17,532.80 : x
  2. Step 2: Convert to fraction form
    19,894.40/27,430.08 = 17,532.80/x
  3. Step 3: Cross multiply
    19,894.40x = 27,430.08 × 17,532.80
  4. Step 4: Simplify right side
    19,894.40x = 480,926,106.62
  5. Step 5: Solve for x
    x = 480,926,106.62/19,894.40
  6. Step 6: Final answer
    x = 24,173.94

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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.