Home / 53,253.12-79,887.36-16,320

Finding the Fourth Proportional to 53,253.12, 79,887.36 and 16,320

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Solution

The fourth proportional to 53,253.12, 79,887.36 and 16,320 is: 24,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,253.12 : 79,887.36 = 16,320 : x
  2. Step 2: Convert to fraction form
    53,253.12/79,887.36 = 16,320/x
  3. Step 3: Cross multiply
    53,253.12x = 79,887.36 × 16,320
  4. Step 4: Simplify right side
    53,253.12x = 1,303,761,715.20
  5. Step 5: Solve for x
    x = 1,303,761,715.20/53,253.12
  6. Step 6: Final answer
    x = 24,482.35

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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.