Home / 28,266.66-42,404.60-9,547.81

Finding the Fourth Proportional to 28,266.66, 42,404.60 and 9,547.81

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Solution

The fourth proportional to 28,266.66, 42,404.60 and 9,547.81 is: 14,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,266.66 : 42,404.60 = 9,547.81 : x
  2. Step 2: Convert to fraction form
    28,266.66/42,404.60 = 9,547.81/x
  3. Step 3: Cross multiply
    28,266.66x = 42,404.60 × 9,547.81
  4. Step 4: Simplify right side
    28,266.66x = 404,871,166.60
  5. Step 5: Solve for x
    x = 404,871,166.60/28,266.66
  6. Step 6: Final answer
    x = 14,323.28

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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.