Home / 25,948.80-35,803.20-14,774.40

Finding the Fourth Proportional to 25,948.80, 35,803.20 and 14,774.40

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Solution

The fourth proportional to 25,948.80, 35,803.20 and 14,774.40 is: 20,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,948.80 : 35,803.20 = 14,774.40 : x
  2. Step 2: Convert to fraction form
    25,948.80/35,803.20 = 14,774.40/x
  3. Step 3: Cross multiply
    25,948.80x = 35,803.20 × 14,774.40
  4. Step 4: Simplify right side
    25,948.80x = 528,970,798.08
  5. Step 5: Solve for x
    x = 528,970,798.08/25,948.80
  6. Step 6: Final answer
    x = 20,385.17

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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.