Home / 38,410.16-53,002.20-28,344.08

Finding the Fourth Proportional to 38,410.16, 53,002.20 and 28,344.08

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Solution

The fourth proportional to 38,410.16, 53,002.20 and 28,344.08 is: 39,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,410.16 : 53,002.20 = 28,344.08 : x
  2. Step 2: Convert to fraction form
    38,410.16/53,002.20 = 28,344.08/x
  3. Step 3: Cross multiply
    38,410.16x = 53,002.20 × 28,344.08
  4. Step 4: Simplify right side
    38,410.16x = 1,502,298,596.98
  5. Step 5: Solve for x
    x = 1,502,298,596.98/38,410.16
  6. Step 6: Final answer
    x = 39,112.01

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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.