Home / 28,545.37-39,382.90-16,598.87

Finding the Fourth Proportional to 28,545.37, 39,382.90 and 16,598.87

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Solution

The fourth proportional to 28,545.37, 39,382.90 and 16,598.87 is: 22,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545.37 : 39,382.90 = 16,598.87 : x
  2. Step 2: Convert to fraction form
    28,545.37/39,382.90 = 16,598.87/x
  3. Step 3: Cross multiply
    28,545.37x = 39,382.90 × 16,598.87
  4. Step 4: Simplify right side
    28,545.37x = 653,711,637.32
  5. Step 5: Solve for x
    x = 653,711,637.32/28,545.37
  6. Step 6: Final answer
    x = 22,900.79

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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.