Home / 28,206.33-42,309.50-14,365.05

Finding the Fourth Proportional to 28,206.33, 42,309.50 and 14,365.05

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Solution

The fourth proportional to 28,206.33, 42,309.50 and 14,365.05 is: 21,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.33 : 42,309.50 = 14,365.05 : x
  2. Step 2: Convert to fraction form
    28,206.33/42,309.50 = 14,365.05/x
  3. Step 3: Cross multiply
    28,206.33x = 42,309.50 × 14,365.05
  4. Step 4: Simplify right side
    28,206.33x = 607,778,011.15
  5. Step 5: Solve for x
    x = 607,778,011.15/28,206.33
  6. Step 6: Final answer
    x = 21,547.58

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1.5x scale

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.