Home / 28,623.34-42,888.30-14,564.03

Finding the Fourth Proportional to 28,623.34, 42,888.30 and 14,564.03

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Solution

The fourth proportional to 28,623.34, 42,888.30 and 14,564.03 is: 21,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,623.34 : 42,888.30 = 14,564.03 : x
  2. Step 2: Convert to fraction form
    28,623.34/42,888.30 = 14,564.03/x
  3. Step 3: Cross multiply
    28,623.34x = 42,888.30 × 14,564.03
  4. Step 4: Simplify right side
    28,623.34x = 624,626,345.17
  5. Step 5: Solve for x
    x = 624,626,345.17/28,623.34
  6. Step 6: Final answer
    x = 21,822.27

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1.5x scale

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.