Home / 28,277.40-42,416.10-25,215.60

Finding the Fourth Proportional to 28,277.40, 42,416.10 and 25,215.60

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Solution

The fourth proportional to 28,277.40, 42,416.10 and 25,215.60 is: 37,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.40 : 42,416.10 = 25,215.60 : x
  2. Step 2: Convert to fraction form
    28,277.40/42,416.10 = 25,215.60/x
  3. Step 3: Cross multiply
    28,277.40x = 42,416.10 × 25,215.60
  4. Step 4: Simplify right side
    28,277.40x = 1,069,547,411.16
  5. Step 5: Solve for x
    x = 1,069,547,411.16/28,277.40
  6. Step 6: Final answer
    x = 37,823.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.