Home / 25,587.74-35,311.02-14,979.38

Finding the Fourth Proportional to 25,587.74, 35,311.02 and 14,979.38

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Solution

The fourth proportional to 25,587.74, 35,311.02 and 14,979.38 is: 20,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.74 : 35,311.02 = 14,979.38 : x
  2. Step 2: Convert to fraction form
    25,587.74/35,311.02 = 14,979.38/x
  3. Step 3: Cross multiply
    25,587.74x = 35,311.02 × 14,979.38
  4. Step 4: Simplify right side
    25,587.74x = 528,937,186.77
  5. Step 5: Solve for x
    x = 528,937,186.77/25,587.74
  6. Step 6: Final answer
    x = 20,671.51

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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.