Home / 25,312.30-37,985.40-10,521.18

Finding the Fourth Proportional to 25,312.30, 37,985.40 and 10,521.18

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Solution

The fourth proportional to 25,312.30, 37,985.40 and 10,521.18 is: 15,788.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.30 : 37,985.40 = 10,521.18 : x
  2. Step 2: Convert to fraction form
    25,312.30/37,985.40 = 10,521.18/x
  3. Step 3: Cross multiply
    25,312.30x = 37,985.40 × 10,521.18
  4. Step 4: Simplify right side
    25,312.30x = 399,651,230.77
  5. Step 5: Solve for x
    x = 399,651,230.77/25,312.30
  6. Step 6: Final answer
    x = 15,788.82

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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.