Home / 25,415.19-35,085.02-16,931.45

Finding the Fourth Proportional to 25,415.19, 35,085.02 and 16,931.45

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Solution

The fourth proportional to 25,415.19, 35,085.02 and 16,931.45 is: 23,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.19 : 35,085.02 = 16,931.45 : x
  2. Step 2: Convert to fraction form
    25,415.19/35,085.02 = 16,931.45/x
  3. Step 3: Cross multiply
    25,415.19x = 35,085.02 × 16,931.45
  4. Step 4: Simplify right side
    25,415.19x = 594,040,264.93
  5. Step 5: Solve for x
    x = 594,040,264.93/25,415.19
  6. Step 6: Final answer
    x = 23,373.43

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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.