Home / 19,815.02-29,545.38-19,270.70

Finding the Fourth Proportional to 19,815.02, 29,545.38 and 19,270.70

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Solution

The fourth proportional to 19,815.02, 29,545.38 and 19,270.70 is: 28,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.02 : 29,545.38 = 19,270.70 : x
  2. Step 2: Convert to fraction form
    19,815.02/29,545.38 = 19,270.70/x
  3. Step 3: Cross multiply
    19,815.02x = 29,545.38 × 19,270.70
  4. Step 4: Simplify right side
    19,815.02x = 569,360,154.37
  5. Step 5: Solve for x
    x = 569,360,154.37/19,815.02
  6. Step 6: Final answer
    x = 28,733.77

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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.