Home / 28,547.63-42,828.58-10,778.25

Finding the Fourth Proportional to 28,547.63, 42,828.58 and 10,778.25

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Solution

The fourth proportional to 28,547.63, 42,828.58 and 10,778.25 is: 16,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547.63 : 42,828.58 = 10,778.25 : x
  2. Step 2: Convert to fraction form
    28,547.63/42,828.58 = 10,778.25/x
  3. Step 3: Cross multiply
    28,547.63x = 42,828.58 × 10,778.25
  4. Step 4: Simplify right side
    28,547.63x = 461,617,142.39
  5. Step 5: Solve for x
    x = 461,617,142.39/28,547.63
  6. Step 6: Final answer
    x = 16,170.07

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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.