Home / 25,686.66-35,448.94-15,613.46

Finding the Fourth Proportional to 25,686.66, 35,448.94 and 15,613.46

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Solution

The fourth proportional to 25,686.66, 35,448.94 and 15,613.46 is: 21,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,686.66 : 35,448.94 = 15,613.46 : x
  2. Step 2: Convert to fraction form
    25,686.66/35,448.94 = 15,613.46/x
  3. Step 3: Cross multiply
    25,686.66x = 35,448.94 × 15,613.46
  4. Step 4: Simplify right side
    25,686.66x = 553,480,656.32
  5. Step 5: Solve for x
    x = 553,480,656.32/25,686.66
  6. Step 6: Final answer
    x = 21,547.40

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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.