Home / 23,030.40-34,528.98-8,978.52

Finding the Fourth Proportional to 23,030.40, 34,528.98 and 8,978.52

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Solution

The fourth proportional to 23,030.40, 34,528.98 and 8,978.52 is: 13,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,030.40 : 34,528.98 = 8,978.52 : x
  2. Step 2: Convert to fraction form
    23,030.40/34,528.98 = 8,978.52/x
  3. Step 3: Cross multiply
    23,030.40x = 34,528.98 × 8,978.52
  4. Step 4: Simplify right side
    23,030.40x = 310,019,137.51
  5. Step 5: Solve for x
    x = 310,019,137.51/23,030.40
  6. Step 6: Final answer
    x = 13,461.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.