Home / 29,389.55-40,562.16-16,643.39

Finding the Fourth Proportional to 29,389.55, 40,562.16 and 16,643.39

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Solution

The fourth proportional to 29,389.55, 40,562.16 and 16,643.39 is: 22,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.55 : 40,562.16 = 16,643.39 : x
  2. Step 2: Convert to fraction form
    29,389.55/40,562.16 = 16,643.39/x
  3. Step 3: Cross multiply
    29,389.55x = 40,562.16 × 16,643.39
  4. Step 4: Simplify right side
    29,389.55x = 675,091,848.12
  5. Step 5: Solve for x
    x = 675,091,848.12/29,389.55
  6. Step 6: Final answer
    x = 22,970.47

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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.