Home / 25,528.86-35,230.65-15,459.18

Finding the Fourth Proportional to 25,528.86, 35,230.65 and 15,459.18

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Solution

The fourth proportional to 25,528.86, 35,230.65 and 15,459.18 is: 21,334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.86 : 35,230.65 = 15,459.18 : x
  2. Step 2: Convert to fraction form
    25,528.86/35,230.65 = 15,459.18/x
  3. Step 3: Cross multiply
    25,528.86x = 35,230.65 × 15,459.18
  4. Step 4: Simplify right side
    25,528.86x = 544,636,959.87
  5. Step 5: Solve for x
    x = 544,636,959.87/25,528.86
  6. Step 6: Final answer
    x = 21,334.17

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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.