Home / 17,981.54-26,776.40-17,784.98

Finding the Fourth Proportional to 17,981.54, 26,776.40 and 17,784.98

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Solution

The fourth proportional to 17,981.54, 26,776.40 and 17,784.98 is: 26,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.54 : 26,776.40 = 17,784.98 : x
  2. Step 2: Convert to fraction form
    17,981.54/26,776.40 = 17,784.98/x
  3. Step 3: Cross multiply
    17,981.54x = 26,776.40 × 17,784.98
  4. Step 4: Simplify right side
    17,981.54x = 476,217,738.47
  5. Step 5: Solve for x
    x = 476,217,738.47/17,981.54
  6. Step 6: Final answer
    x = 26,483.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.