Home / 23,155.70-31,943.12-14,643.47

Finding the Fourth Proportional to 23,155.70, 31,943.12 and 14,643.47

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Solution

The fourth proportional to 23,155.70, 31,943.12 and 14,643.47 is: 20,200.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.70 : 31,943.12 = 14,643.47 : x
  2. Step 2: Convert to fraction form
    23,155.70/31,943.12 = 14,643.47/x
  3. Step 3: Cross multiply
    23,155.70x = 31,943.12 × 14,643.47
  4. Step 4: Simplify right side
    23,155.70x = 467,758,126.07
  5. Step 5: Solve for x
    x = 467,758,126.07/23,155.70
  6. Step 6: Final answer
    x = 20,200.57

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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.