Home / 38,420.16-53,018.17-28,344.97

Finding the Fourth Proportional to 38,420.16, 53,018.17 and 28,344.97

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Solution

The fourth proportional to 38,420.16, 53,018.17 and 28,344.97 is: 39,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420.16 : 53,018.17 = 28,344.97 : x
  2. Step 2: Convert to fraction form
    38,420.16/53,018.17 = 28,344.97/x
  3. Step 3: Cross multiply
    38,420.16x = 53,018.17 × 28,344.97
  4. Step 4: Simplify right side
    38,420.16x = 1,502,798,438.10
  5. Step 5: Solve for x
    x = 1,502,798,438.10/38,420.16
  6. Step 6: Final answer
    x = 39,114.84

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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.