Home / 28,430.18-39,235.48-16,497.53

Finding the Fourth Proportional to 28,430.18, 39,235.48 and 16,497.53

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Solution

The fourth proportional to 28,430.18, 39,235.48 and 16,497.53 is: 22,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,430.18 : 39,235.48 = 16,497.53 : x
  2. Step 2: Convert to fraction form
    28,430.18/39,235.48 = 16,497.53/x
  3. Step 3: Cross multiply
    28,430.18x = 39,235.48 × 16,497.53
  4. Step 4: Simplify right side
    28,430.18x = 647,288,312.19
  5. Step 5: Solve for x
    x = 647,288,312.19/28,430.18
  6. Step 6: Final answer
    x = 22,767.65

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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.