Home / 28,117.34-38,776.79-23,329.70

Finding the Fourth Proportional to 28,117.34, 38,776.79 and 23,329.70

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Solution

The fourth proportional to 28,117.34, 38,776.79 and 23,329.70 is: 32,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117.34 : 38,776.79 = 23,329.70 : x
  2. Step 2: Convert to fraction form
    28,117.34/38,776.79 = 23,329.70/x
  3. Step 3: Cross multiply
    28,117.34x = 38,776.79 × 23,329.70
  4. Step 4: Simplify right side
    28,117.34x = 904,650,877.66
  5. Step 5: Solve for x
    x = 904,650,877.66/28,117.34
  6. Step 6: Final answer
    x = 32,174.13

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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.