Home / 28,663.32-39,559.04-16,088.08

Finding the Fourth Proportional to 28,663.32, 39,559.04 and 16,088.08

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Solution

The fourth proportional to 28,663.32, 39,559.04 and 16,088.08 is: 22,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.32 : 39,559.04 = 16,088.08 : x
  2. Step 2: Convert to fraction form
    28,663.32/39,559.04 = 16,088.08/x
  3. Step 3: Cross multiply
    28,663.32x = 39,559.04 × 16,088.08
  4. Step 4: Simplify right side
    28,663.32x = 636,429,000.24
  5. Step 5: Solve for x
    x = 636,429,000.24/28,663.32
  6. Step 6: Final answer
    x = 22,203.60

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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.