Home / 55,259.06-82,864.23-15,807.20

Finding the Fourth Proportional to 55,259.06, 82,864.23 and 15,807.20

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Solution

The fourth proportional to 55,259.06, 82,864.23 and 15,807.20 is: 23,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,259.06 : 82,864.23 = 15,807.20 : x
  2. Step 2: Convert to fraction form
    55,259.06/82,864.23 = 15,807.20/x
  3. Step 3: Cross multiply
    55,259.06x = 82,864.23 × 15,807.20
  4. Step 4: Simplify right side
    55,259.06x = 1,309,851,456.46
  5. Step 5: Solve for x
    x = 1,309,851,456.46/55,259.06
  6. Step 6: Final answer
    x = 23,703.83

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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.