Home / 23,318.13-32,153.61-15,751.32

Finding the Fourth Proportional to 23,318.13, 32,153.61 and 15,751.32

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Solution

The fourth proportional to 23,318.13, 32,153.61 and 15,751.32 is: 21,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,318.13 : 32,153.61 = 15,751.32 : x
  2. Step 2: Convert to fraction form
    23,318.13/32,153.61 = 15,751.32/x
  3. Step 3: Cross multiply
    23,318.13x = 32,153.61 × 15,751.32
  4. Step 4: Simplify right side
    23,318.13x = 506,461,876.24
  5. Step 5: Solve for x
    x = 506,461,876.24/23,318.13
  6. Step 6: Final answer
    x = 21,719.66

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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.