Home / 28,347.06-39,123.74-16,417.65

Finding the Fourth Proportional to 28,347.06, 39,123.74 and 16,417.65

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Solution

The fourth proportional to 28,347.06, 39,123.74 and 16,417.65 is: 22,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347.06 : 39,123.74 = 16,417.65 : x
  2. Step 2: Convert to fraction form
    28,347.06/39,123.74 = 16,417.65/x
  3. Step 3: Cross multiply
    28,347.06x = 39,123.74 × 16,417.65
  4. Step 4: Simplify right side
    28,347.06x = 642,320,057.77
  5. Step 5: Solve for x
    x = 642,320,057.77/28,347.06
  6. Step 6: Final answer
    x = 22,659.14

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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.