Home / 25,720.18-35,492.18-14,387.72

Finding the Fourth Proportional to 25,720.18, 35,492.18 and 14,387.72

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Solution

The fourth proportional to 25,720.18, 35,492.18 and 14,387.72 is: 19,854.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.18 : 35,492.18 = 14,387.72 : x
  2. Step 2: Convert to fraction form
    25,720.18/35,492.18 = 14,387.72/x
  3. Step 3: Cross multiply
    25,720.18x = 35,492.18 × 14,387.72
  4. Step 4: Simplify right side
    25,720.18x = 510,651,298.63
  5. Step 5: Solve for x
    x = 510,651,298.63/25,720.18
  6. Step 6: Final answer
    x = 19,854.11

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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.