Home / 52,383.40-72,289.09-28,510.24

Finding the Fourth Proportional to 52,383.40, 72,289.09 and 28,510.24

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Solution

The fourth proportional to 52,383.40, 72,289.09 and 28,510.24 is: 39,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,383.40 : 72,289.09 = 28,510.24 : x
  2. Step 2: Convert to fraction form
    52,383.40/72,289.09 = 28,510.24/x
  3. Step 3: Cross multiply
    52,383.40x = 72,289.09 × 28,510.24
  4. Step 4: Simplify right side
    52,383.40x = 2,060,979,072.37
  5. Step 5: Solve for x
    x = 2,060,979,072.37/52,383.40
  6. Step 6: Final answer
    x = 39,344.13

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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.