Home / 28,285.47-39,031.67-16,349.58

Finding the Fourth Proportional to 28,285.47, 39,031.67 and 16,349.58

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Solution

The fourth proportional to 28,285.47, 39,031.67 and 16,349.58 is: 22,561.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.47 : 39,031.67 = 16,349.58 : x
  2. Step 2: Convert to fraction form
    28,285.47/39,031.67 = 16,349.58/x
  3. Step 3: Cross multiply
    28,285.47x = 39,031.67 × 16,349.58
  4. Step 4: Simplify right side
    28,285.47x = 638,151,329.45
  5. Step 5: Solve for x
    x = 638,151,329.45/28,285.47
  6. Step 6: Final answer
    x = 22,561.10

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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.