Home / 28,225.04-38,949.92-15,649.52

Finding the Fourth Proportional to 28,225.04, 38,949.92 and 15,649.52

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Solution

The fourth proportional to 28,225.04, 38,949.92 and 15,649.52 is: 21,595.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,225.04 : 38,949.92 = 15,649.52 : x
  2. Step 2: Convert to fraction form
    28,225.04/38,949.92 = 15,649.52/x
  3. Step 3: Cross multiply
    28,225.04x = 38,949.92 × 15,649.52
  4. Step 4: Simplify right side
    28,225.04x = 609,547,552.04
  5. Step 5: Solve for x
    x = 609,547,552.04/28,225.04
  6. Step 6: Final answer
    x = 21,595.99

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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.