Home / 23,345.40-32,215.40-13,272.45

Finding the Fourth Proportional to 23,345.40, 32,215.40 and 13,272.45

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Solution

The fourth proportional to 23,345.40, 32,215.40 and 13,272.45 is: 18,315.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,345.40 : 32,215.40 = 13,272.45 : x
  2. Step 2: Convert to fraction form
    23,345.40/32,215.40 = 13,272.45/x
  3. Step 3: Cross multiply
    23,345.40x = 32,215.40 × 13,272.45
  4. Step 4: Simplify right side
    23,345.40x = 427,577,219.37
  5. Step 5: Solve for x
    x = 427,577,219.37/23,345.40
  6. Step 6: Final answer
    x = 18,315.27

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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.