Home / 25,718.02-35,491.62-14,387.20

Finding the Fourth Proportional to 25,718.02, 35,491.62 and 14,387.20

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Solution

The fourth proportional to 25,718.02, 35,491.62 and 14,387.20 is: 19,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.02 : 35,491.62 = 14,387.20 : x
  2. Step 2: Convert to fraction form
    25,718.02/35,491.62 = 14,387.20/x
  3. Step 3: Cross multiply
    25,718.02x = 35,491.62 × 14,387.20
  4. Step 4: Simplify right side
    25,718.02x = 510,625,035.26
  5. Step 5: Solve for x
    x = 510,625,035.26/25,718.02
  6. Step 6: Final answer
    x = 19,854.76

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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.