Home / 28,614.15-42,948.81-13,833.45

Finding the Fourth Proportional to 28,614.15, 42,948.81 and 13,833.45

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Solution

The fourth proportional to 28,614.15, 42,948.81 and 13,833.45 is: 20,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.15 : 42,948.81 = 13,833.45 : x
  2. Step 2: Convert to fraction form
    28,614.15/42,948.81 = 13,833.45/x
  3. Step 3: Cross multiply
    28,614.15x = 42,948.81 × 13,833.45
  4. Step 4: Simplify right side
    28,614.15x = 594,130,215.69
  5. Step 5: Solve for x
    x = 594,130,215.69/28,614.15
  6. Step 6: Final answer
    x = 20,763.51

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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.