Home / 21,623.85-32,430.87-9,925.83

Finding the Fourth Proportional to 21,623.85, 32,430.87 and 9,925.83

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Solution

The fourth proportional to 21,623.85, 32,430.87 and 9,925.83 is: 14,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.85 : 32,430.87 = 9,925.83 : x
  2. Step 2: Convert to fraction form
    21,623.85/32,430.87 = 9,925.83/x
  3. Step 3: Cross multiply
    21,623.85x = 32,430.87 × 9,925.83
  4. Step 4: Simplify right side
    21,623.85x = 321,903,302.37
  5. Step 5: Solve for x
    x = 321,903,302.37/21,623.85
  6. Step 6: Final answer
    x = 14,886.49

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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.