Home / 15,938.80-23,905-15,148.48

Finding the Fourth Proportional to 15,938.80, 23,905 and 15,148.48

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Solution

The fourth proportional to 15,938.80, 23,905 and 15,148.48 is: 22,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938.80 : 23,905 = 15,148.48 : x
  2. Step 2: Convert to fraction form
    15,938.80/23,905 = 15,148.48/x
  3. Step 3: Cross multiply
    15,938.80x = 23,905 × 15,148.48
  4. Step 4: Simplify right side
    15,938.80x = 362,124,414.40
  5. Step 5: Solve for x
    x = 362,124,414.40/15,938.80
  6. Step 6: Final answer
    x = 22,719.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.