Home / 18,490.02-25,545.18-17,579.67

Finding the Fourth Proportional to 18,490.02, 25,545.18 and 17,579.67

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Solution

The fourth proportional to 18,490.02, 25,545.18 and 17,579.67 is: 24,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.02 : 25,545.18 = 17,579.67 : x
  2. Step 2: Convert to fraction form
    18,490.02/25,545.18 = 17,579.67/x
  3. Step 3: Cross multiply
    18,490.02x = 25,545.18 × 17,579.67
  4. Step 4: Simplify right side
    18,490.02x = 449,075,834.49
  5. Step 5: Solve for x
    x = 449,075,834.49/18,490.02
  6. Step 6: Final answer
    x = 24,287.47

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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.