Home / 28,547.13-42,827.84-10,777.76

Finding the Fourth Proportional to 28,547.13, 42,827.84 and 10,777.76

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Solution

The fourth proportional to 28,547.13, 42,827.84 and 10,777.76 is: 16,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,547.13 : 42,827.84 = 10,777.76 : x
  2. Step 2: Convert to fraction form
    28,547.13/42,827.84 = 10,777.76/x
  3. Step 3: Cross multiply
    28,547.13x = 42,827.84 × 10,777.76
  4. Step 4: Simplify right side
    28,547.13x = 461,587,912.81
  5. Step 5: Solve for x
    x = 461,587,912.81/28,547.13
  6. Step 6: Final answer
    x = 16,169.33

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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.