Home / 23,460.78-32,376.15-13,390.59

Finding the Fourth Proportional to 23,460.78, 32,376.15 and 13,390.59

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Solution

The fourth proportional to 23,460.78, 32,376.15 and 13,390.59 is: 18,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,460.78 : 32,376.15 = 13,390.59 : x
  2. Step 2: Convert to fraction form
    23,460.78/32,376.15 = 13,390.59/x
  3. Step 3: Cross multiply
    23,460.78x = 32,376.15 × 13,390.59
  4. Step 4: Simplify right side
    23,460.78x = 433,535,750.43
  5. Step 5: Solve for x
    x = 433,535,750.43/23,460.78
  6. Step 6: Final answer
    x = 18,479.17

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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.