Home / 25,619.13-35,348.38-15,547.35

Finding the Fourth Proportional to 25,619.13, 35,348.38 and 15,547.35

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Solution

The fourth proportional to 25,619.13, 35,348.38 and 15,547.35 is: 21,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.13 : 35,348.38 = 15,547.35 : x
  2. Step 2: Convert to fraction form
    25,619.13/35,348.38 = 15,547.35/x
  3. Step 3: Cross multiply
    25,619.13x = 35,348.38 × 15,547.35
  4. Step 4: Simplify right side
    25,619.13x = 549,573,459.05
  5. Step 5: Solve for x
    x = 549,573,459.05/25,619.13
  6. Step 6: Final answer
    x = 21,451.68

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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.