Home / 23,026.89-31,776.77-12,955.32

Finding the Fourth Proportional to 23,026.89, 31,776.77 and 12,955.32

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Solution

The fourth proportional to 23,026.89, 31,776.77 and 12,955.32 is: 17,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,026.89 : 31,776.77 = 12,955.32 : x
  2. Step 2: Convert to fraction form
    23,026.89/31,776.77 = 12,955.32/x
  3. Step 3: Cross multiply
    23,026.89x = 31,776.77 × 12,955.32
  4. Step 4: Simplify right side
    23,026.89x = 411,678,256.30
  5. Step 5: Solve for x
    x = 411,678,256.30/23,026.89
  6. Step 6: Final answer
    x = 17,878.15

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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.