Home / 19,928.66-27,485.19-14,545.04

Finding the Fourth Proportional to 19,928.66, 27,485.19 and 14,545.04

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Solution

The fourth proportional to 19,928.66, 27,485.19 and 14,545.04 is: 20,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.66 : 27,485.19 = 14,545.04 : x
  2. Step 2: Convert to fraction form
    19,928.66/27,485.19 = 14,545.04/x
  3. Step 3: Cross multiply
    19,928.66x = 27,485.19 × 14,545.04
  4. Step 4: Simplify right side
    19,928.66x = 399,773,050.53
  5. Step 5: Solve for x
    x = 399,773,050.53/19,928.66
  6. Step 6: Final answer
    x = 20,060.21

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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.