Home / 28,294.77-39,047.63-16,357.05

Finding the Fourth Proportional to 28,294.77, 39,047.63 and 16,357.05

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Solution

The fourth proportional to 28,294.77, 39,047.63 and 16,357.05 is: 22,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.77 : 39,047.63 = 16,357.05 : x
  2. Step 2: Convert to fraction form
    28,294.77/39,047.63 = 16,357.05/x
  3. Step 3: Cross multiply
    28,294.77x = 39,047.63 × 16,357.05
  4. Step 4: Simplify right side
    28,294.77x = 638,703,954.51
  5. Step 5: Solve for x
    x = 638,703,954.51/28,294.77
  6. Step 6: Final answer
    x = 22,573.22

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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.