Home / 23,438.81-32,345.51-12,828.62

Finding the Fourth Proportional to 23,438.81, 32,345.51 and 12,828.62

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Solution

The fourth proportional to 23,438.81, 32,345.51 and 12,828.62 is: 17,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.81 : 32,345.51 = 12,828.62 : x
  2. Step 2: Convert to fraction form
    23,438.81/32,345.51 = 12,828.62/x
  3. Step 3: Cross multiply
    23,438.81x = 32,345.51 × 12,828.62
  4. Step 4: Simplify right side
    23,438.81x = 414,948,030.63
  5. Step 5: Solve for x
    x = 414,948,030.63/23,438.81
  6. Step 6: Final answer
    x = 17,703.46

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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.