Home / 28,061.52-38,703.08-18,108.24

Finding the Fourth Proportional to 28,061.52, 38,703.08 and 18,108.24

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Solution

The fourth proportional to 28,061.52, 38,703.08 and 18,108.24 is: 24,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,061.52 : 38,703.08 = 18,108.24 : x
  2. Step 2: Convert to fraction form
    28,061.52/38,703.08 = 18,108.24/x
  3. Step 3: Cross multiply
    28,061.52x = 38,703.08 × 18,108.24
  4. Step 4: Simplify right side
    28,061.52x = 700,844,661.38
  5. Step 5: Solve for x
    x = 700,844,661.38/28,061.52
  6. Step 6: Final answer
    x = 24,975.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.