Home / 28,208.40-38,926.23-16,275.59

Finding the Fourth Proportional to 28,208.40, 38,926.23 and 16,275.59

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Solution

The fourth proportional to 28,208.40, 38,926.23 and 16,275.59 is: 22,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.40 : 38,926.23 = 16,275.59 : x
  2. Step 2: Convert to fraction form
    28,208.40/38,926.23 = 16,275.59/x
  3. Step 3: Cross multiply
    28,208.40x = 38,926.23 × 16,275.59
  4. Step 4: Simplify right side
    28,208.40x = 633,547,165.09
  5. Step 5: Solve for x
    x = 633,547,165.09/28,208.40
  6. Step 6: Final answer
    x = 22,459.52

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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.