Home / 23,507.81-32,440.78-12,897.44

Finding the Fourth Proportional to 23,507.81, 32,440.78 and 12,897.44

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Solution

The fourth proportional to 23,507.81, 32,440.78 and 12,897.44 is: 17,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,507.81 : 32,440.78 = 12,897.44 : x
  2. Step 2: Convert to fraction form
    23,507.81/32,440.78 = 12,897.44/x
  3. Step 3: Cross multiply
    23,507.81x = 32,440.78 × 12,897.44
  4. Step 4: Simplify right side
    23,507.81x = 418,402,851.40
  5. Step 5: Solve for x
    x = 418,402,851.40/23,507.81
  6. Step 6: Final answer
    x = 17,798.47

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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.