Home / 56,225.28-84,335.04-16,782.72

Finding the Fourth Proportional to 56,225.28, 84,335.04 and 16,782.72

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Solution

The fourth proportional to 56,225.28, 84,335.04 and 16,782.72 is: 25,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,225.28 : 84,335.04 = 16,782.72 : x
  2. Step 2: Convert to fraction form
    56,225.28/84,335.04 = 16,782.72/x
  3. Step 3: Cross multiply
    56,225.28x = 84,335.04 × 16,782.72
  4. Step 4: Simplify right side
    56,225.28x = 1,415,371,362.51
  5. Step 5: Solve for x
    x = 1,415,371,362.51/56,225.28
  6. Step 6: Final answer
    x = 25,173.22

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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.