Home / 28,275.60-39,017.64-16,337.34

Finding the Fourth Proportional to 28,275.60, 39,017.64 and 16,337.34

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Solution

The fourth proportional to 28,275.60, 39,017.64 and 16,337.34 is: 22,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.60 : 39,017.64 = 16,337.34 : x
  2. Step 2: Convert to fraction form
    28,275.60/39,017.64 = 16,337.34/x
  3. Step 3: Cross multiply
    28,275.60x = 39,017.64 × 16,337.34
  4. Step 4: Simplify right side
    28,275.60x = 637,444,450.68
  5. Step 5: Solve for x
    x = 637,444,450.68/28,275.60
  6. Step 6: Final answer
    x = 22,543.98

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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.