Home / 28,890.40-39,887.28-23,597.92

Finding the Fourth Proportional to 28,890.40, 39,887.28 and 23,597.92

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Solution

The fourth proportional to 28,890.40, 39,887.28 and 23,597.92 is: 32,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.40 : 39,887.28 = 23,597.92 : x
  2. Step 2: Convert to fraction form
    28,890.40/39,887.28 = 23,597.92/x
  3. Step 3: Cross multiply
    28,890.40x = 39,887.28 × 23,597.92
  4. Step 4: Simplify right side
    28,890.40x = 941,256,842.46
  5. Step 5: Solve for x
    x = 941,256,842.46/28,890.40
  6. Step 6: Final answer
    x = 32,580.26

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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.