Home / 20,498.47-28,300.95-16,730.62

Finding the Fourth Proportional to 20,498.47, 28,300.95 and 16,730.62

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Solution

The fourth proportional to 20,498.47, 28,300.95 and 16,730.62 is: 23,098.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,498.47 : 28,300.95 = 16,730.62 : x
  2. Step 2: Convert to fraction form
    20,498.47/28,300.95 = 16,730.62/x
  3. Step 3: Cross multiply
    20,498.47x = 28,300.95 × 16,730.62
  4. Step 4: Simplify right side
    20,498.47x = 473,492,369.34
  5. Step 5: Solve for x
    x = 473,492,369.34/20,498.47
  6. Step 6: Final answer
    x = 23,098.92

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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.