Home / 21,359.77-32,051.15-8,888.40

Finding the Fourth Proportional to 21,359.77, 32,051.15 and 8,888.40

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Solution

The fourth proportional to 21,359.77, 32,051.15 and 8,888.40 is: 13,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359.77 : 32,051.15 = 8,888.40 : x
  2. Step 2: Convert to fraction form
    21,359.77/32,051.15 = 8,888.40/x
  3. Step 3: Cross multiply
    21,359.77x = 32,051.15 × 8,888.40
  4. Step 4: Simplify right side
    21,359.77x = 284,883,477.35
  5. Step 5: Solve for x
    x = 284,883,477.35/21,359.77
  6. Step 6: Final answer
    x = 13,337.39

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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.