Home / 28,502.95-42,763.64-13,709.93

Finding the Fourth Proportional to 28,502.95, 42,763.64 and 13,709.93

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Solution

The fourth proportional to 28,502.95, 42,763.64 and 13,709.93 is: 20,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502.95 : 42,763.64 = 13,709.93 : x
  2. Step 2: Convert to fraction form
    28,502.95/42,763.64 = 13,709.93/x
  3. Step 3: Cross multiply
    28,502.95x = 42,763.64 × 13,709.93
  4. Step 4: Simplify right side
    28,502.95x = 586,286,652.13
  5. Step 5: Solve for x
    x = 586,286,652.13/28,502.95
  6. Step 6: Final answer
    x = 20,569.33

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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.