Home / 28,535.04-42,811.18-8,545.18

Finding the Fourth Proportional to 28,535.04, 42,811.18 and 8,545.18

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Solution

The fourth proportional to 28,535.04, 42,811.18 and 8,545.18 is: 12,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.04 : 42,811.18 = 8,545.18 : x
  2. Step 2: Convert to fraction form
    28,535.04/42,811.18 = 8,545.18/x
  3. Step 3: Cross multiply
    28,535.04x = 42,811.18 × 8,545.18
  4. Step 4: Simplify right side
    28,535.04x = 365,829,239.11
  5. Step 5: Solve for x
    x = 365,829,239.11/28,535.04
  6. Step 6: Final answer
    x = 12,820.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.