Home / 19,288.80-28,886.02-17,418.92

Finding the Fourth Proportional to 19,288.80, 28,886.02 and 17,418.92

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Solution

The fourth proportional to 19,288.80, 28,886.02 and 17,418.92 is: 26,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.80 : 28,886.02 = 17,418.92 : x
  2. Step 2: Convert to fraction form
    19,288.80/28,886.02 = 17,418.92/x
  3. Step 3: Cross multiply
    19,288.80x = 28,886.02 × 17,418.92
  4. Step 4: Simplify right side
    19,288.80x = 503,163,199.28
  5. Step 5: Solve for x
    x = 503,163,199.28/19,288.80
  6. Step 6: Final answer
    x = 26,085.77

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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.